Midterm 1 Flashcards
1
Q
Direct infection happens when infected animals pass the infection with H2O.
A
F.
2
Q
Germinative infection is common in mammals, it will result in malformation of fetuses.
A
F.
3
Q
In case of 2º infection the agent complicates a 1º infection.
A
T.
4
Q
Vertical infection does ø occur in mammals.
A
F.
5
Q
Horizontal infection does ø occur in mammals.
A
F.
6
Q
Germinative infection does ø occur in mammals.
A
T.
7
Q
Galactogen infection does ø occur in mammals.
A
F.
8
Q
Sp. specific resistance can be overcome by increasing the number of agents.
A
T.
9
Q
Susceptibility of hosts is influenced by age.
A
T.
10
Q
In case of 2º infection, a new pathogen infects an already cured animal.
A
F.
11
Q
In case of 2º infection, 2 pathogens infect the host simultaneously.
A
F.
12
Q
In case of 2º infection, 1 of the agents is always a virus.
A
F.
13
Q
Germinative infection only occur in poultry.
A
F.
14
Q
In germinative infection, the placenta is infected by the mother during pregnancy.
A
F.
15
Q
Germinative infection is a rare form of horizontal infection.
A
F.
16
Q
In germinative infection, the newborn is infected through the milk.
A
F.
17
Q
In case of 2º infection, a bacterium infects an individual which is already infected with a pathogen.
A
T.
18
Q
Facultative pathogens cause disease in case predisposing factors are present.
A
T.
19
Q
Virulence is a stable characteristic in bacteria.
A
F.
20
Q
Virulence of an agent can be characterized with LD50 value.
A
T.
21
Q
The virulent factors help the agents in causing disease.
A
T.
22
Q
Virulence of a bacterium/ virus can change.
A
T.
23
Q
Sp. related resistance means that certain agents cannot cause infection in resistant host sp.
A
T.
24
Q
Virulence variants can occur within a bacterium/virus sp.
A
T.
25
Pathogenic variants can occur within a bacterium/ virus sp.
T.
26
Stenoxen agents have a wide host range.
F.
27
Aerogen is a form of direct infection.
T.
28
Infection cannot happen through H2O due to deactivation.
F.
29
Lethality shows the ratio of dead animals + the total stock.
F.
30
Morbidity shows the proportion of diseased animals in a population.
T.
31
In case of an acute disease the incubation time is long.
F.
32
The clinical signs are more typical in the case of an acute than a chronic disease.
T.
33
In the case of inapparent infection only mild signs can be seen.
F.
34
In case of subclinical infection the animals can shed the agent.
T.
35
In case of tolerated infection the animals shed the agent.
T.
36
During a tolerated infection the animals are sero+ve.
F.
37
In case of inapparent infections ø clinical signs can be seen.
T.
38
Latent infection is common in the case of Gr+ve bacteria.
F.
39
There are only mild clinical signs in a latent infection.
F.
40
In case of abortive infections, abortion is an important clinical sign.
F.
41
In case of inapparent infection, sero+ve can be seen.
T.
42
Inapparent infections cannot be detected in lab examinations.
F.
43
In case of abortive infection, the animal always aborts.
F.
44
In latent infection, there is ø virus shedding.
T.
45
Tolerated infection can be demonstrated only by serology.
F.
46
Abortive infection can be demonstrated only by serology.
T.
47
Cyclozoonoses require an arthropod for transmission.
T.
48
In the case of a local infection the site of entry + lesions are at the same place.
T.
49
Tolerated infection can be diagnosed by detecting Ab.
F.
50
Incubation time is the time from showing CS to death.
F.
51
Endemic diseases occurs in a limited population.
T
52
Pathogenicity means the ability of the agent to cause disease.
T.
53
Virulence means the level of pathogenicity.
T.
54
In the case of optimal way of infection the least amt of agent can cause disease.
T.
55
In case of viral diseases ø Ab are given.
F.
56
Only diseased animals have to be treated with Ab to prevent resistance.
F.
57
Ab may be used only until the disappearance of clinicial signs.
F.
58
Using hyperimmune sera is usually ø justifiable.
T?
59
Aetiological treatment with Ab is done in case of bacterial diseases.
T.
60
There is ø antiviral therapy.
F.
61
Hyperimmune serum can be used for aetiological treatment.
T.
62
Antibacterial treatment is used in order to prevent 2º bacterial infections.
T.
63
1/2 of the Igs comes from the colostrum in calves.
F?
64
Immunocomplex cells are ø received via colostrum in calves.
F.
65
Intrauterine infection cause immuno tolerance.
T.
66
1 d old animals have ø immune response.
F.
67
Chicken embryos are able to produce an immune response.
T.
68
From 2nd trimester of pregnancy, the foetus produces an immune response against any Ag.
F.
69
There is ø immune response in foetus, only from 4 wk after birth.
F.
70
Colostrum of 10% of BW has to be provided for calves on the 1st d.
T.
71
Absorption of colostrum is finished 27hrs after birth in calves.
F?
72
Colostrum is ø important in protection of calves since the Ab can go through the placenta.
F.
73
Mycotoxins can be immunosuppressive.
T.
74
Marker vaccines, vaccinated + infected animals can be differentiated.
T.
75
Use of marker vaccines can be combined with " test + remove" eradication.
T.
76
Marker vaccines are marked with dyes.
F.
77
Following DIVA, vaccinated + infected animals can be differentiated.
T.
78
Presence of maternal Ab can inhibit the efficacy of vaccinations.
T.
79
Subunit vaccine contains Ag of the agent only.
T.
80
Test + remove method of eradication cannot be combined with vaccination.
F?
81
Live vaccines are ø used nowadays because they are dangerous.
F.
82
' All in/ all out' is a general rules of prevention of infectious disease.
T.
83
The immune response produced by an attenuated vaccine is low.
F.
84
Some attenuated vaccine strains can be immunosuppressive.
T.
85
Attenuated vaccines induced a quick immune response.
T.
86
Generation shift is a method of eradication of a disease.
T.
87
In eradication by selective breeding, the sero+ve animals are eliminated.
T.
88
In eradication by selective breeding, only the animals shedding the bacteria are eliminated.
F.
89
In eradication by selective breeding, vaccination cannot be used.
T.
90
Eradication by selective breeding is ø used anymore.
F.
91
Selection is ø used to eradicate a disease anymore.
F.
92
In test + remove methods sero+ve animals are removed.
T?
93
In test + remove animals shedding the agent are removed.
F?
94
Intrauterine infection can occur in pregnant animals.
T.
95
Live vaccines always contain avirulent agents.
F.
96
Live vaccines can contain strains with lower virulence.
T.
97
In generation shift, the newborn is separated from the dam amd kept isolated.
T.
98
Feather + beak deformities may appear after circovirus infection of geese + pigeons.
T.
99
Beak + feather disease lesions are sometimes obvious only after molting. ( circovirus)
T.
100
The parrot sp. in the circovirus infections symptoms often occur after molting.
T.
101
Pigeon circovirus infections do ø occur in Hungary, the disease is prevented by vaccination.
F.
102
Circoviruses can infect pigeons.
T.
103
Vaccines are available for Pigeon Circovirus.
F.
104
Clinical signs of PBFDV ( Psittacine Beak + Feather Disease Virus) are only seen at time of moulting.
F.
105
Pigeon circoviruses are antigenically uniform.
F?
106
Pigeon circovirus frequently appear in diseases together with viruses + bacteria.
T.
107
Inactivated vaccines are used against pigeon circovirus infections.
F.
108
Circovirus infection can result in high mortality of chickens >3 wk of age.
F.
109
Infectious chicken anaemia is seeing clinically only in young chickens.
T?
110
Infectious chicken anaemia is a parvovirus infection which courses clinical signs in all age grps.
F.
111
ø vaccination is needed for infectious chicken anaemia as the clinical signs are mild.
F.
112
Atrophy of the thymus is a PM finding of chicken circovirus.
T.
113
Circovirus replicates in Bursa of Fabricius + thymus.
T.
114
Vaccination can protect hens + chickens against the chicken anaemia.
T.
115
Avian Circovirus infections cause high morbidity + low mortality.
T
116
CIA- virus is a gyrovirus.
T.
117
In CIA, most symptoms are observed in 1st mnth.
T.
118
CIA infection involves destruction of lymphoid + myeloid cells.
T.
119
CIA virus induces apoptosis of activated T cells.
T.
120
Pigeons can be infected by CIAV.
F.
121
CIA virus does ø replicate in thymus.
F.
122
CIA virus spread horizontally + vertically.
T.
123
CIA in day old chickens causes a long lasting immunosuppression.
T.
124
The circovirus has circular RNA in it's genome.
F.
125
Infection of day old chickens with chicken anaemia virus leads to immune suppression.
T.
126
Chicken anaemia virus infection can cause death of chickens <3wk of age.
T.
127
Virus started with contaminated Marek's vaccines.
T?
128
PCV2 infections are sporadic.
F.
129
Porcine circovirus 1 may cause embryonic disease.
F.
130
Porcine circovirus 1 is ø pathogenic.
T.
131
The presence of PCV2 in Sus decreases the efficiency of vaccines.
T.
132
Sus circovirus infection is the frequent infection with clinical signs after weaning.
T.
133
Porcine circoviruses can ø be responsible for reproductive disorders.
F.
134
Porcine circoviruses cause various diseases.
T.
135
Porcine circovirus can multiply in the myocardium of foetus.
T.
136
Reproductive disorders caused by porcine circoviruses are only significant in N. America,
F.
137
Circovirus cause skin lesions in Sus.
T.
138
Rare infection causing clinical signs only in piglets before weaning. ( Porcine circovirus)
F.
139
Prevention is with live attenuated vaccines. ( Porcine circovirus)
F.
140
General preventative rules + recently inactivated/ vector vaccination can be used. ( Porcine circovirus)
T.
141
Porcine circoviruses are genetically + antigenically uniform.
F.
142
Porcine circoviruses are present worldwide.
T.
143
Porcine circoviruses may cause inapparent/ subclinical infections.
T.
144
Porcine circovirus vaccines are available both for sows + for piglets.
T.
145
Porcine circovirus can be transmitted by mice +rats.
T.
146
We can detect PMWS virus from macrophages.
T.
147
PMWS virus replicates in heart m. + gall bladder.
F.
148
PMWS causes atrophy of ln.
F.
149
PMWS is caused by a circovirus.
T.
150
Typical pathological findings PMWS is enlarged mesenteric ln.
T.
151
PMWS appear after weaning.
T.
152
PMWS appears as chronic disease of nervous system.
F.
153
PDNS is a frequent infection with clinical signs after weaning.
T.
154
Vaccinations against PCV2 may increase the incidence of PDNS.
F?
155
PDNS is only caused by PCV-2.
F.
156
PDNS disease is an immunocomplex disease.
T.
157
PDNS has been widespread in Hungary since 1998.
T.
158
PDNS occurs 1ºly in the wks following the selection/ weaning.
T.
159
PDNS is caused by circoviruses.
F.
160
PRDC is caused by a porcine circovirus.
T.
161
Circovirus can be responsible for the porcine respiratory disease complex.
T.
162
Porcine parvovirus 1 is transmitted through the faecal- oral route.
T.
163
Parvovirus vaccine usually induce protection up to 6 mnths.
F.
164
Porcine parvovirus multiplies in lymphoid tissue of the throat.
T.
165
The Hoko Sus virus does ø occur in Hungary.
F.
166
Colostral immunity against Sus parvovirus lasts for mnths.
F.
167
Porcine parvovirus infection causes reproduction problems in Sus herds.
T.
168
Sus parvovirus is rare, mainly in backyard herds.
F.
169
Sus parvovirus is frequent, causing foetal damage only.
F.
170
Sus parvovirus cause foetal damage + resp signs in 1st pregnant gilts.
F.
171
Sus herds infected with parvovirus should be excluded from further breeding.
F.
172
They should be sent for slaughter. ( Sus Parvovirus)
F.
173
Postpone 1st mating + vaccinate them. ( PPV)
T.
174
ø vaccination is needed as clinical signs are mild. ( PPV)
F.
175
Spreads both horizontally + germinatively. (PPV)
F.
176
Prevention of PPV.
| - General preventive rules + vaccination are used.
T.
177
Neurological disorders are frequent in porcine parvovirus infections.
F.
178
The 1º site of porcine parvovirus ( PPV-1) replication is in the small intestines.
T.
179
Porcine parvovirus ( PPV-1) infection of sero-ve pregnant animals can damage the foetus.
T.
180
Porcine parvoviruses are genetically uniform.
F.
181
PPV-1 induces diarrhea in suckling piglets.
F.
182
Porcine SMEDI( 1st pregnant gilts) can only be induced by parvoviruses.
F.
183
Porcine Hokoviruses are only present in China.
F.
184
Porcine parvovirus ( PPV-1) vaccinations start at/ after 6 mnths of age.
T.
185
Piglets of sows seroconverted by PPV-1 are maternally protected for 6 mnths.
T.
186
PPV-1 is endemic in most Sus herds.
T.
187
New variants of PPV1 may breakthrough the immune protection.
T.
188
Canine parvovirus 2 known serotypes.
T.
189
Parvovirus in dogs 8 wks of age cause high mortality.
T.
190
The canine parvovirus Ag is structurally uniform.
T?
191
Canine parvovirus spreads rapidly, causing enteritis + fetal damage in all age gps.
F.
192
Canine parvovirus affects mainly young animals with bloody enteritis.
T.
193
Canine parvovirus can cause heart m. degeneration + fetal damage.
T.
194
Clinical signs in canine parvoviral enteritis are mostly very mild + remain unoticed.
F.
195
In susceptible young dogs, parvovirus infection ( CPV-2) cause high mortality.
T.
196
Older dogs are usually sero+ve to CPV-2.
T.
197
Subtypes of canine parvovirus ( CPV-2) can cause panleukopenia in cats.
T.
198
Maternal Ab usually protects for 2- 3 wks against canine parvovirus disease.
F.
199
Older dogs are usually sero+ve for canine parvovirus.
T.
200
Canine parvoviral disease is similar to that causes by pantropic coronavirus.
T.
201
Canine parvoviruses form a single antigenic grp.
F.
202
Canine parvoviruses do ø infect cats.
F.
203
Canine parvoviruses can replicate in the myocardium of young pups.
T.
204
Canine parvovirus attacks lymphoid cells.
T.
205
Canine parvovirus infection of susceptible dogs results high mortality.
T.
206
Canine parvovirus is shed with the faeces.
T.
207
Leukopenia is characteristic for successful CPV-2 infections.
T.
208
Maternal immunity against fel panleucopenia usually lasts for >6 mnths.
F.
209
Cat panleukopenia myocarditis in young animals.
T.
210
Hungary, panleukopenia ø occur.
F.
211
A fel panleukopenia virus mainly in faeces.
T.
212
A fel panleukopenia general infection, fever symptoms.
T.
213
Fel panleukopenia occurs worldwide.
T.
214
Fel panleukopenia can also be caused by a canine parvovirus.
T.
215
Fel panleukopenia virus infection in dogs can cause acute diarrhoea.
F.
216
Fel panleukopenia viruses may infect dogs.
F.
217
Europe is free of fel panleukopenia.
F.
218
Fel panleukopenia infection can cause fever.
T.
219
Hyperimmune serum can be used for the treatment of fel panleukopenia.
T.
220
Vaccinations against fel panleukopenia usually start at/ after 2 mnths of age.
T.
221
Aleutian mink disease is characterised by type III hypersensitivity.
T.
222
Aleutian mink disease virus is responsible for 10% of Fel panleucopenia cases.
F.
223
The mink Aleutian disease in mink + -enteritis is caused by the same virus.
F.
224
The mink Aleutian disease does ø occur in our country.
F.
225
VN test can be used to detect the Aleutian disease.
F.
226
The agent of Aleutian disease causes enteritis in older minks.
F.
227
Vaccination against Aleutian Disease is achieved with inactivated vaccines.
F.
228
It is possible to vaccinate against Aleutian mink disease.
F.
229
Mink parvoviral enteritis is characterised by fever + high mortality.
T.
230
Live vaccines are used against Aleutian mink disease.
F.
231
Ferrets can also be infected by aleutian mink disease.
T.
232
Aleutian mink disease is usually acute.
F.
233
Aleutian mink disease can result in interstitial pneumonia in young animals.
T.
234
Aleutian mink disease is characterized by a type-1 hypersensitivity.
F.
235
Clinical symptoms of the disease Derzsy typically occurs within 3 wks of age.
T.
236
The Derzsy disease pathogen only infects geese.
F.
237
The Derzsy disease infects Elderly + young geese.
F.
238
The Derzsy disease virus passes into the egg.
T.
239
Derzsy's disease ( goose parvovirus) spreads horizontally + via eggs.
T.
240
In Derzsy's disease, 1º replication occurs in gut.
T.
241
Derszy's disease can cause disease in both old and youngs.
F.
242
Symptoms of Derszy's + hydropericardium- hepatitis syndrome are similar in geese.
F.
243
ø vaccination needed as clinical signs are mild. ( Derszy's)
F.
244
Spreading via eggs do ø occur. ( Derszy's)
F.
245
Derszy's is rare ø causing clinical signs in all age grps.
F.
246
Clinical signs seen only in young geese up to 4-6 wks of age. ( Derszy's)
T.
247
For the prevention of Derszy's, general preventative rules are used.
T.
248
Vaccination is also necessary. ( Derszy's)
T.
249
Infected geese flocks should be ruled out of further breeding. ( Derszy's)
T.
250
Derzsy's disease virus can cross into the egg.
T.
251
Derzsy's disease may occur in both geese + Muscovy ducks.
T.
252
Derzsy's disease virus causes enteritis in growing geese.
T.
253
Typical clinical signs of Dezsy's disease are seen as a result of infection <5 wks of age.
T.
254
Infection >5 wks of age results in severe clinical signs of the Derzsy's disease.
F.
255
Papilloma infections of the skin usually have a cauliflower appearance.
T.
256
Goose haemorrhagic enteritis + nephritis is frequent in ducks.
F.
257
Goose haemorrhagic enteritis + nephritis does ø occur in Hungary.
F.
258
The goose haemorrhagic kidney + intestine inflammation occurs worldwide but ø en masse.
T.
259
HNEG ( haemorrhagic nephritis + enteritis of geese) is common in France.
T.
260
(HNEGoose) Started in Hungary + spread with Derzsy's disease hyperimmune serum.
T?
261
High mortality 2- 10 weeks. ( Haemorrhagic nephritis + enteritis of geese)
T.
262
Muscovy ducks are also susceptible but remain symptomless for yrs with high titers.( Haemorrhagic nephritis + enteritis of geese)
T.
263
Haemorrhagic enteritis + nephritis of geese virus replicates in the BV endothelium.
T.
264
Haemorrhagic enteritis + nephritis of geese is only prevalent in France.
F.
265
Haemorrhagic nephritis + enteritis of geese is caused by a herpesvirus.
F.
266
Haemorrhagic nephritis + enteritis is present worldwide.
T
267
Haemorrhaic nephritis + enteritis of geese may spread both horizontally + vertically.
T.
268
Goose haemorrhagic enteritis + nephritis causes death of goslings.
T.
269
Infertility + abortion are the most specific signs of Bo adenovirus infection.
F.
270
Bo adenovirus 10 can cause haemorrhagic enteritis in cattle.
T.
271
Insufficient colostrum uptake increases the severity of adenovirus- induced diseases in calves.
T.
272
Adenoviral infection can cause haemorrhagic, necrotizing colitis in suckling lambs.
T.
273
Canine adenovirus serotype 2 causes CNS disease in pups.
F.
274
Rubarth disease occurs in birds.
F.
275
Canine adenovirus 2 infects the upper respiratory tract.
T.
276
The Rubarth disease in dogs is ø associated with neurological cond.
F.
277
In the case of acute disease Rubarth disease cause death within 1-2 d.
F.
278
Dogs carry canine adenovirus serotype 1 usually in spleen.
F.
279
Both CAdV-2 + CAdV-1 serotypes can be used in vaccinate against Rubarth's disease.
T.
280
Canine adenovirus infection is sporadic in Hungary.
T?
281
Causative agent of Rubarth's disease is CAdV-2.
F.
282
Canine infectious hepatitis is caused by several adenovirus serotypes.
F.
283
It is characterized by hepatitis + abortion. ( Canine infectious hepatitis)
F.
284
Hepatitis + encephalitis are the main clinical signs. ( Canine infectious hepatitis)
T.
285
Vaccines usually contain CAdV-2 strain in live form.
T.
286
Dogs with Rubarth's disease have a long term carrier status.
T.
287
CAdV-1 causes encephalitis in certain Car hosts.
T.
288
Dogs carry serotype 1 mostly in spleen. ( Canine infectious hepatitis)
F.
289
Rubarth's disease is a disease of older cats.
F.
290
Rubarth's disease is caused by CAdV-1.
T.
291
ø long term carrier stage is seen in canine adenovirus serotype 1 infection.
F.
292
Infectious canine hepatitis is usually seen in elderly dogs.
F.
293
There is serological cross protection between Canine adenovirus type 1 + 2.
T.
294
Canine adenovirus 1 infects only dogs.
F.
295
Dogs may develop transient bilat corneal opacity after canine adenovirus infection.
T.
296
The virus that causes chicken- splenomegaly + pheasants marble spleen illness also causes haemorrhagic enteritis in turkeys.
T.
297
During the turkeys haemorrhagic enteritis 4 weeks of age is the most serious.
T.
298
EDS only occurs in hens.
F.
299
The egg drop syndrome fever, general symptoms.
F.
300
Egg drop syndrome is a disease of chickens of all age grps.
F.
301
It is characteristic with mild diarrhoea + rough, hard eggshell. (EDS)
F.
302
Eggdrop syndrome infects duck + geese as well
T.
303
Eggdrop syndrome usually appears at the beginning of laying season.
F.
304
Mild diarrhea + thin shelled eggs are seen. (EDS)
T.
305
Inactivated vaccines are used for the prevention of egg drop syndrome.
T.
306
Egg drop syndrome is caused by an aviadenovirus.
F.
307
Egg drop syndrome virus can spread germinatively.
T.
308
Egg drop syndrome occurs in Hungary.
T.
309
Avian adenovirus spread both vertically + horizontally.
T.
310
Chicken adenoviruses are sp.-specific.
F.
311
Chicken adenovirus can cause embryonic death, bronchitis + inclusion body hepatitis.
T.
312
Chicken adenoviruses mainly cause encephalitis in young chicken.
F.
313
Their pathogenicity is very low, do ø cause disease. ( Chicken Adenoviruses)
F.
314
Adenovirus may cause hydropericardium syndrome in chicken + geese.
T.
315
The turkey hemorrhagic enteritis + marble spleen disease are caused by the same virus.
T.
316
The egg drop syndrome virus damages the oviduct of day old chicken.
T?
317
In young geese, respiratory disease may be caused by the EDS virus.
T.
318
Aviadenovirus infection of geese may cause lesions similar to Derzsy's disease.
T.
319
Herpesvirus infections frequently result in latent virus carry and life- long virus carrier status.
T.
320
Herpesvirus are typically stenoxenic viruses, but there are significant exceptions.
T.
321
Herpesviruses are strong Ag: therefore single vaccinations provide life long protection.
F.
322
IBoR spreads slowly within a herd.
T.
323
IBoR causes animals older than 6 mnths upper respiratory symptoms.
T.
324
IBoR may cause diarrhea.
T.
325
IBoR older than 6 mnths young calves fever.
F.
326
IBoR is caused by BHV-2.
F.
327
IBoR does ø occur in Europe.
F.
328
Is there IBoR in Hungary?
T.
329
IBoR virus courses + arthritis in calves usually in age 1- 6 mnths.
F.
330
IBoR is rapidly spread within the herd.
F.
331
IBoR is ø longer present in Hungary.
F.
332
The respiratory form of IBoR is often followed by genital symptoms.
F.
333
We can see characteristic clinical signs of IBoR in day old calves.
F.
334
IBoR mainly cause encephalitis in cattles older than 6 mnths.
F.
335
IBoR mainly causes pneumonia in 1-6 mnths old calves.
T.
336
IBoR is rare, BHV-1 only affects cattle.
F.
337
IBoR is a frequent infection, cattle + it's closest relatives are affected.
T.
338
IBoR can occur in several clinical forms.
T.
339
Infectious Bo vulvovaginitis virus strains cause abortions + foetal deformities.
F.
340
Genital form of IBoR is often followed by abortion.
F.
341
In the transmission IBoRV, the most important route is the germinative route.
F.
342
IBoRV has a wide range of serotypes including many variant strains.
T?
343
IBoR virus causes nephritis in calves, usually up to 1-6 mnths.
F.
344
Sero+ve cattle cannot be carriers of the infectious rhinotracheitis virus.
F.
345
Infectious Bo rhinotracheitis virus may spread via semen.
T.
346
IBoR cause serous nasal discharge.
T.
347
IBoR in 6 mnth old calves usually causes pneumonia.
T.
348
IBoR often cause genital lesions with vesicles.
T.
349
IBoR may cause inflammation of conjunctiva.
T.
350
IBoR cause purulent discharge.
T.
351
Ab against infectious Bo rhinotracheitis virus ( IBRV) might be detected in milk.
T.
352
In Hungary the gE -ve marker vaccine is to be used in the control of IBoR.
T.
353
Eradication of IBoR is mostly performed by selection method.
T.
354
Eradication of IBoR done by selection + vaccination.
T.
355
We are doing IBoR eradication programs in Hungary.
T.
356
Pregnant cows should be immunised with inactivated vaccine against IBoRV.
T.
357
Hungary will most likely be free from IBoR soon due to eradication programs.
T?
358
The most frequently used erradication strategy for IBoRV is selection with the help of marker vaccine.
T.
359
Against IBoR calves are vaccinated x2 from 3 mnths of age.
T.
360
Mainly heifers show clinical signs. (IBoR)
T.
361
Bo herpes mamillitis virus causes milkers nodules in humans, therefore it is zoonotic agent.
T.
362
We vaccinate calves x2 against MCF.
F.
363
Sus can be affected by MCF.
T.
364
MCF does ø occur in Europe.
F.
365
MCF can cause diarrhoea.
T.
366
MCF spreads slowly within a cattle herd.
F.
367
MCF occurs if we keep cattle + sheep together.
T.
368
MCF does ø occur in Hungary.
F.
369
MCF may also develop in Sus.
T.
370
MCF is caused by Bo herpesvirus 2.
F.
371
MCF is frequently seen in cats.
F.
372
Aujeszky's disease can occur in Sus + cats.
T.
373
Aujeszky's disease in Sus causes viraemia.
T.
374
Aujeszky's disease can cause respiratory signs in adult Sus.
T.
375
Aujeszky's disease in cats spreads along the n.
T.
376
Aujeszky's disease causes fever in day old piglets.
T.
377
Aujeszky's disease causes pneumonia in susceptible piglets.
F.
378
Aujeszky's disease does ø cause clinical signs in susceptible piglets.
F.
379
Aujeszky's disease causes pruritus in susceptible piglets.
F.
380
20- 30% mortality in susceptible piglets. ( Aujeszky's)
F.
381
Aujeszky's disease only infects Sus.
F.
382
Older Sus are more frequently affected by Aujeszky's. ( encephalitis)
F.
383
In Sus, the most serious clinical signs of Aujeszky's disease are usually seen in piglets.
T.
384
Rats ( rodents) are reservoir hosts of the Aujeszky's disease virus.
F.
385
Car are the reservoir host of Aujeszky's disease virus.
F.
386
CNS signs rarely seen in adult Sus with Aujeszky's disease.
T.
387
Convalescent Sus are life long carriers + potential shedders of Aujeszky's virus.
T.
388
Large- scale eradication programs are currently in progress against Aujeszky's disease in Hungary.
T.
389
Dogs should be vaccinated against Aujeszky's disease virus.
F.
390
Sus are immunized against Aujeszky's virus usually with gE -ve marker vaccines.
T.
391
Vaccination against Aujeszky widely used.
F.
392
Boars should be vaccinated against inclusion body rhinitis every 6 mnth.
F.
393
EHV-4 causes mainly respiratory symptoms in Eq.
T.
394
EHV-4 mainly proliferate on respiratory mucosa.
T.
395
Equid herpesvirus 1 may cause abortion storms in studs.
T.
396
EHV-4 1ºly causes abortion in Eq.
F.
397
EHV-1 contains cross-reactive proteins against disease caused by EHV-4.
T.
398
EHV-1 1ºly causes respiratory symptoms in Eq.
T.
399
Vaccine containing EHV-1 also provides protection against EHV-4.
F.
400
1 vaccination is enough to prevent EHV-1 infection.
F.
401
EHV-1 1ºly causes abortion.
T.
402
After EHV-1 infection, pregnant mares abort in acute febrile stage.
F.
403
Eq should be vaccinated against Eq herpesvirus-1 every 6 mnths.
F.
404
EHV-2 in Eq does ø cause symptoms in adult animals.
T.
405
Does EHV-3 cause abortion storms?
F.
406
Abortion is a frequent complication of coital exanthema in mares. (Eq herpes virus)
F.
407
Eq herpesvirus 5 may play a role in Eq multinodular pulmonary fibrosis syndrome.
T.
408
It is enough to vaccinate mares x2 against EHV-2.
F.
409
In Eq infected with EHV-2, the symptoms are often unnoticed.
T.
410
Eq coital exanthema can cause abortion storms in studs. (Eq herpes virus)
F.
411
Herpesvirus infection of dogs is most severe in 3 - 6 mnths old puppies.
F.
412
Herpesvirus infection of adult dogs may result in reproductive disorders.
T.
413
In dogs causes fatal hemorrhagic colitis during the CHV-1 infection in 2- 3 wks.
T.
414
Canine herpesvirus infection frequently presents with cold- like symptoms.
T.
415
Herpesvirus is frequently present in kennel cough complex.
T.
416
Decreased body temp has a -ve effect on canine herpesvirus infection.
T.
417
Canine herpesvirus infection may remain latent for yrs in infected animals.
T.
418
Large dog kennels are usually sero+ve for canine herpesvirus.
T.
419
Canine herpesvirus infection can be deadly < 2-3 wks of age.
T.
420
In utero infection with canine herpesvirus may result in abortion.
T.
421
Canine herpesvirus-1 may contribute to the signs of the kennel cough syndrome.
T.
422
Clinical signs of Fel infectious rhinotracheitis are similar to those of calicivirus infection.
T.
423
Fever, general symptoms occurs in Fel infectious rhinotracheitis.
T.
424
Fel infectious rhinotracheitis can be treated with specific hyperimmune sera.
T.
425
Ulcerations of oral mucosa are frequent signs of Fel rhinotracheitis.
F.
426
Sneezing is typical clinical sign of fel infectious rhinotracheitis.
T.
427
Fel infectious rhinotracheitis often results high mortality in susceptible young kittens.
T.
428
Abortion is rare in pregnant queens infected with FEHV-1 ( rhinotracheitis).
F.
429
Fel infectious rhinotracheitis virus is transmitted mainly through the air.
F.
430
Fel infectious rhinotracheitis can be treated with specific hyperimmune serum.
T.
431
Mucous is a frequent sign of fel infectious rhinotracheitis.
T.
432
Fel herpesvirus-1 is moderately contagious therefore it spreads slowly in the cat population.
F.
433
ILT causes changes in the larynx + upper airways.
T.
434
The chickens infected laryngeal + tracheal inflammation usually occurs within 6 wks of age.
F.
435
Infectious laryngotracheitis occurs only in Hens.
F.
436
Chicken infectious laryngotracheitis changes in the kidneys.
F?
437
Conjunctivits is a frequent sign of infectious laryngotracheitis of chickens.
T.
438
ILT usually occurs clinically <6 wks of age.
F.
439
ILT virus invades the kidneys after viraemia.
F.
440
ILT of poultry spreads germinatively.
F.
441
ILT also occur in Hungary.
T.
442
ILT causes eggshell deformation.
F.
443
ILT occurs mainly in day old chickens.
F.
444
Diarrhea is frequent in infectious laryngotracheitis of chickens.
F.
445
Infectious laryngotracheitis virus strains may differ in virulence.
T.
446
Infectious laryngotracheitis virus replicates in the upper respiratory tract.
T.
447
Infectious laryngotracheitis virus is present worldwide.
T.
448
Infectious laryngotracheitis frequently damages the oviduct of hen.
F.
449
Infectious laryngotracheitis can be deadly in chickens.
T.
450
Mortality of infectious laryngotracheitis can go up to 50%.
T.
451
The duck plague is a Newcastle duck adapted version.
F.
452
Clinical signs in young ducks are only seen in birds up to 4 wks of age. ( duck plague)
F.
453
Duck plague is usually mild, osmotic diarrhea.
F.
454
Vaccines containing a live attenuated strain can be used for prevention. ( duck plague)
T.
455
Vaccination is ø needed as clinical signs are mild. ( duck plague)
F.
456
Duck plague virus can ' settles' in wild ducks.
T.
457
Duck plague is an outbreak of avian influenza in ducks, with a host- adapted version of virus.
F.
458
Duck plague only causes hepatitis in young ducks.
F.
459
The duck plague causes hepatitis in old ducks.
F.
460
Ducks plague only causes disease in ducks + geese.
F.
461
Duck plague virus causes high mortality in both old + young birds.
F.
462
Duck plague also affects geese.
T.
463
Disease of young ducks only. ( duck plague)
F.
464
It can affect all age grps. ( duck p;ague)
T.
465
Depression, respiratory signs + bloody diarrhea are main signs. ( duck plague)
T.
466
In most cases the disease remain symptomless. ( duck plague)
F.
467
Duck plague virus damages BV endothelium.
T.
468
Duck plague virus may be shed by convalescent animals for the remainder of their lives.
T.
469
Duck plague infects only domestic + wild ducks.
F.
470
Beak deformity is a typical sign of duck plague.
F.
471
Duck plague is more severe in wild birds than domestic ducks.
F.
472
Conjunctivitis is a frequent sign of duck plague.
T.
473
Mainly young pigeons. ( pigeon herpesvirus)
T.
474
Causes conjunctivitis, rhinitis, pharyngitis + diarrhea in acute stage. ( pigeon herpesvirus)
T.
475
A pigeon herpes infection 1ºly occurs 2- 6 mnths of age, clinical symptoms.
T.
476
Pigeon herpesvirus causes feather development problem.
F.
477
Can be combined with circovirus + adenovirus. ( pigeon herpesvirus)
F.
478
Is related to Marek's disease. ( pigeon herpesvirus)
T.
479
Pigeon herpesvirus infections usually results in a deadly, haemorrhagic disease.
F.
480
Diarrhea + nasal discharge are common in pigeon herpesvirus infections.
T.
481
Marek's disease only occurs in domestic fowl.
T?
482
Marek's disease spreads 1ºly via aerogen.
T.
483
Marek's disease virus is shed mainly via faeces.
F.
484
Free marek virus are shed from feather follicles.
T.
485
The acute form of marek disease is characterised by lymphoid cell proliferation.
T.
486
Marek's disease in the tropics is rare.
F.
487
The chronic form of marek's disease is characterised by neurological disorders.
T.
488
MD severity depends on time of infection (age).
T.
489
Neurological form of MD is frequent.
F.
490
MD is usually seen in chicks <2 wks.
T.
491
Marek disease in blood multiplies in endothelial cells.
F.
492
Marek disease is a ß herpes virus.
F.
493
MDV spread 1ºly germinatively.
F.
494
Marek's disease 1ºly targets day old chickens.
F.
495
The neoplastic form of Marek disease is caused by high virulence strains.
T.
496
Vaccination is used for the prevention of Marek's disease.
T.
497
The neoplastic form of Marek's is caused by low virulence strains.
F.
498
Can differentiate MD from reticuloendotheliosis only by lab diagnostics methods.
T.
499
Prevention: ø measures needed as disease remains mostly symptomless. (MD)
F.
500
Preventative measures + vaccination of day old chickens must be used for the prevention of MDV.
T.
501
Live attenuated strains are used for vaccination. (MD)
T.
502
ø vaccination is needed against Marek's disease.
F.
503
N. America is free of Marek's disease.
F.
504
Turkey herpesvirus can be used for vaccination against Marek's disease.
T.
505
Both serotypes of the Marek's disease virus cause disease in geese.
F.
506
The neurological form of Marek's disease has an en-masse appearance.
F.
507
The highly virulent strains of Marek's disease may cause tumours in turkeys.
T.
508
The incubation time of Marek's disease is 1-2 days.
F.
509
The neurological form of Marek's disease leads to significant liver degeneration.
F.
510
Marek's disease viruses are uniform in virulence.
F.
511
Highly virulent Marek's disease viruses may break through vaccine induced protection.
T.
512
The acute form of Marek's disease is characterised by tumour development.
T.
513
Birds with transient paralysis caused by Marek's disease usually make a full recovery.
F.
514
Cause high mortality in all ages. (MD)
F.
515
Cowpox virus is most frequently present in rodents.
T.
516
Cowpox virus may cause a generalised infection in elephants.
T.
517
All pox virus induce long lasting immunity?
F.
518
Pseudocowpox virus only infects cloven hooved animals.
F.
519
Bo papular stomatitis is caused by a parapoxvirus.
T.
520
Vaccinia virus is sp- specific.(cowPox virus)
F.
521
Inactivated vaccines are used against contagious pustular dermatitis (Orf).
F.
522
Orf is a rare disease of sheep flocks + cattle herds.
F.
523
Orf affects sheep flocks + goat herds, mainly young lambs + kids.
T.
524
Affected flocks should be brought under quarantine + vaccinated with live attenuated strains. (Orf)
T?
525
Orf is a zoonotic infection
T.
526
Neonatal lambs are susceptible, as they have ø maternal immunity. (Orf)
T.
527
Lesions typically appear on the muco-cutaneous junction. (Orf)
T.
528
Vaccines induce lifelong immunity against contagious pustular dermatitis.
F.
529
Strong crustation is frequent in contagious pustular dermatitis.
T.
530
Sheep pox virus infects mostly through inhalation.
T.
531
Sheep + goat pox are transmitted by infected animals + fomites.
T.
532
Sheep pox results high mortality in young susceptible lambs.
F.
533
Sheep pox is a generalized disease with fever.
T.
534
Vaccines are available against sheep pox in endemic areas.
T.
535
Free of goatpox in Hungary.
T.
536
Goats + sheep pox the same virus that causes smallpox.
F.
537
Lumpy skin disease results high mortality.
F.
538
Lumpy skin disease is caused by parapox virus.
F.
539
Generalisation is frequent in lumpy skin disease virus infection.
T.
540
Parapox infections induce a long- lasting immunity.
F.
541
Sheep + goat pox are endemic in Africa.
T.
542
Sheep + goat pox are endemic in Europe.
F.
543
Lumpy skin disease virus is mostly transmitted by insects. ( arthropods)
T.
544
Gives lifelong immunity. ( Lumpy skin disease)
T.
545
Affects only sus + grows only on porcine tissue. ( Lumpy skin disease)
T.
546
Might cause death in newborns. ( Lumpy skin disease)
T.
547
Sus pox is frequently generalized in adult Sus.
F.
548
Suspox infection is usually subclinical.
T?
549
Myxomatosis has a seasonal character.
T.
550
Myxomatosis only occurs in Australia.
F.
551
Only domestic rabbits are susceptible. ( Myxomatosis)
F.
552
Typical form presents with gelatinous swellings, " lion head" & cold-like symptoms. ( Myxomatosis)
T.
553
The nodular form of myxomatosis is caused by streams of lower virulence.
T.
554
The myxomatosis only extends by ticks.
F.
555
Myxomatosis is spread with mosquitoes.
T.
556
In domestic rabbits only myxomatosis causes pox like disease.
T?
557
Myxomatosis virus strains are serologically uniform.
F.
558
In Hungary attenuated vaccines replaced living virus vaccines. ( Myxomatosis)
T?
559
There are ø vaccines available against myxomatosis.
F.
560
Myxomatosis virus crowded out of the wild- attenuated virus in Europe.
F.
561
Conjunctival/ respiratory form are typical. ( Myxomatosis)
T.
562
Causes benign localised skin lesion in cotton tail rabbits. ( Myxomatosis)
T.
563
ø viraemia in cotton tail rabbits. ( Myxomatosis)
T.
564
2 myxomatosis serotypes are known.
T.
565
Several levels of virulence can be seen in myxomatosis strains in Europe.
T.
566
Myxomatosis virus spread from China to rest of the world.
F.
567
Myxomatosis may result on over 90% mortality in susceptible animals.
T.
568
Myxomatosis is immunosuppressive.
F?
569
Avian pox viruses are frequently transmitted by insects.
T.
570
Fowlpox viruses cause generalized diseases in seals.
F.
571
The cutaneous ( mucosal) form of fowl pox is benign.
T.
572
Heterologous viruses of avian pox frequently cause generalization.
F.
573
Avian pox viruses are sp. specific.
F.
574
Humans can be infected Sus pox.
F.
575
Human can be infected by cowpox.
T.
576
Human can be infected by pseudocowpox.
T.
577
Human can be infected by vaccinia.
T.
578
Human can be infected by monky pox.
T.
579
Human can be infected by parapoxviruses.
T.
580
Human can be infected with Orf.
T.
581
Human can be infected myxomatosis.
F.
582
Drinking H2O ø transmit infective agents since it is hypoosmotic.
F.
583
In case of iatrogenic infections, the infective agents are transmitted by Veterinarian.
T.
584
Intrauterine infection does ø occur since the placenta protects the fetus.
F.
585
An euryxen agent can infect several host sp.
T.
586
When the clinical signs disappear, shedding the agent is finished.
F.
587
In the case of an abortive infection, ø clinical signs will be seen.
T.
588
Certain diseases can be eradicated with generation shift.
T.
589
Only inactivated vaccines are available against infectious Canine hepatitis infections.
F.
590
Porcine circoviruses cause severe haemorrhagic diseases in Sus.
T.
591
Herpesvirus infections frequently result in latent virus.
T.
592
Goats are the reservoir hosts of the MCF virus.
F.
593
Pregnant mares abort usually several wks after Eq herpesvirus 1 infection.
T.
594
Eq herpesvirus 2 may cause keratoconjunctivitis in foals.
T.
595
Fel infectious Rhinotracheitis is characterized by inflammation of upper respiratory tract.
T.
596
Crowded area, poor general cond + stress contribute significantly to the development of Fel infectious Rhinotracheitis.
T.
597
Prolonged contact is usually needed for successful transmission of Fel Infectious Rhinotracheitis.
F.
598
Infectious laryngotracheitis virus replicates in the liver of cats.
F.
599
Duck plague is only seen in d-old ducklings.
F.
600
MD virus survives for long in the environment.
T.
601
MD is caused by Turkey herpesvirus.
F.
602
Transient Marek paralysis may lead to visceral form.
T.
603
Contagious Pustular dermatitis is often deadly at any age.
F.
604
In the case of aerogenic infection, the agents are transmitted with air.
T.
605
Some infective agents can cause malformation of fetuses.
T.
606
Cellular immune response is very important in the case of viral diseases.
T.
607
Pandemic diseases are spreading fast around the Earth.
T.
608
Selection ( test + slaughter) is a method of eradication of a disease.
T.
609
Canine adenovirus infects only dogs.
F.
610
MCF is usually lethal in cattle.
T.
611
Galactogen infection cannot happen when the animals receive colostrum, since the Ab in the colostrum orevent it.
F.
612
In the case of horizontal infection animals in the same grp infect each other.
T.
613
Intra uterine infection can occur in pregnant animals.
T.
614
The amt of the agent does ø influence the outcome of the infection, since it can replicate in the host.
F.
615
The virulence of the agents is connected to virulence factors.
T.
616
Live vaccines do ø provide good immunity.
F.
617
Embryo transfer cannot be used for eradication, since the embryo can be infected.
F.
618
Adenoviruses usually cause CN diseases with high lethality.
F.
619
Only attenuated vaccines can be applied for immunization against adenoviruses.
F.
620
Urinary bladder wall oedema is a typical lesion in Canine adenovirus infection.
F.
621
Marble Spleen Disease virus causes lymphatic tumors in geese.
F.
622
Pregnant cows can be immunized against IBRV only with attenuated vaccines.
F.
623
Rodents are the reservoir hosts of MCFV.
F.
624
Sus IBR is usually seen in piglets.
T.
625
Only pregnant mares should be immunized against EHV-1 infection.
F.
626
EHV-2 may cause respiratory disease in foals.
T.
627
Canid herpesvirus 1 may cause generalized infection + severe disease in young puppies.
T.
628
Inactivated vaccines are available for immunization against Canid herpesvirus 1.
T.
629
Fel Infectious Rhinotracheitis occurs in Summer because Felid herpesvirus 1 is transmitted by mosquitoes.
F.
630
Conjunctivitis is a frequent sign of Fel Infectious Rhinotracheitis.
T.
631
Tracheal lesions of ILT may be similar to those of fowl pox.
T.
632
Liver dystrophy is a frequent lesion in Duck plague.
T.
633
MDV may survive in the environment for several mnths.
T.
634
MD is most frequently seen in geese + duck.
F.
635
Free virions of MDV are formed in the feather follicle epithelial cells.
T.
636
Humoral immunity plays the central role in the host's defense against MDV.
F.
637
Circovirus infections are immune suppressive.
T.
638
Bocaviruses may cause mild respiratory/ enteric diseases in newborn animals.
T.
639
Poxviruses never cause viraemia + generalised infection.
F.
640
Poxviruses can cause cytoplasmic inclusion bodies.
T.
641
Poxviruses are strong Ag- except Orthopox viruses.
F.
642
Poxviruses are strong Ag- except Parapox viruses.
T.
643
Bo papular Stomatitis virus causes vesicles in the oral cavity + hoofs of cattle.
F.
644
Virulent virus vaccines may be used for immunization against Contagious Pustular Dermatitis of Sheep (Orf).
T.
645
Germinative infection can happen in birds.
T.
646
Subacute dieseases last 1/ 2 days.
F.
647
Pandemic disease occurs in large areas, continents.
T.
648
Isolation of age grps is an important way of prevention of infectious diseases.
T.
649
Maternal protection occurs only in mammals.
F.
650
Colostrum is the main way of maternal protection in case of animals with epitheliochoral placenta.
T
651
Circovirus can easily be cultured in different homologous cell lines.
F.
652
Sus circovirus causes lesions in multiple organs + strong immunosuppression.
T.
653
For prevention of Sus circovirus disease only general hygienic measures can be used.
F.
654
Sus circovirus can cause retarded growth + strong immunosuppression.
T.
655
CIA virus can cause clinical signs only in layer hens.
F.
656
Resistance of circovirus is very low, in the environment they are inactivated within a day.
F.
657
Aleutian disease is a parvovirus caused immunocomplex disease of minks.
T.
658
Aleutian mink disease occurs only in US.
F.
659
The incubation period of Cat panleukopenia is short, usually 3 - 5 days.
T.
660
Papilloma viruses usually cause local infections in epithelial cells.
T.
661
For prevention of parvovirus mink enteritis live attenuated vaccines are available.
T.
662
Cat panleukopenia virus can cause abortion in pregnant cats.
T.
663
Goose polyomavirus causes haemorrhagic nephritis + enteritis in all age gps.
F.
664
Adenoviruses are resistant to detergents.
T.
665
Ocular lesions can develop in the extended + chronic stages of canine viral hepatitis.
T.
666
Adenovirus can cause pneumoenteritis in calves + lambs.
T.
667
Poor keeping cond + colostral immunity significantly influence the severity of adenovirus- associated diseases in cattle.
T.
668
Anemia + increased mortality are signs of chicken inclusion body hepatitis.
T.
669
The pathologic lesions of EDS virus + polyoma virus infection in goose are the same.
F.
670
Conjunctivitis + blepharitis are signs of infectious Bo rhinotracheitis virus.
T.
671
Aujeszky's disease virus infection in adult Sus is frequently subclinical.
T.
672
Bloody nasal discharge can be a sign of Sus IBR
T.
673
Fever + serous nasal discharge are early signs of Eq Viral Rhinopeumonitis.
T.
674
Ducks are the most susceptible in ILaryngotracheitis Virus.
F.
675
Pigeon herpesvirus mainly causes encephalitis in adult pigeons.
F.
676
The neurological form of Marek's disease is seen only in d-old chicks.
F.
677
Serological cross- reactions exist between certain poxvirus sp.
T.
678
In cattle, Cowpox lesions are usually seen on teats.
T.
679
In cattle, Pseudocowpox lesions are usually seen on the teats.
T.
680
Calves should be vaccinated against Bo papular stomatitis.
F.
681
Contagious pustular dermatitis virus may survive in the environment for ages.
T.
682
Vaccination against contagious pustular dermatitis virus provides lifelong protection.
F.
683
Sheep pox virus can cause respiratory signs + abortion.
T.
684
Ru are susceptoble to lumpy skin disease virus.
T.
685
Arthropods play an important role in the transmission of sheep pox virus.
F.
686
Arthropods play an important role in the transmission of myxoma virus.
T.
687
Arthropods play an important role in the transmission of fowl pox virus.
T.
688
SC swellings are typical signs of myxomatosis.
T.
689
Virulent strains of myxoma virus are only present in Australia.
F.
690
The diphteric ( wet) form of fowl pox develops after viraemia + generalized infection.
T.
691
Attenuated vaccines are available against fowl pox.
T.
692
In case of direct infections, tissues of infected ( which contain the agent) + the susceptible animals are in contact.
T.
693
Arthropods can be involved in indirect infections.
T.
694
Fetuses cannot be infected since the placenta completely isolates them.
F.
695
If the dam infects newborn animals, we speak about horizontal infection.
F.
696
Certain animal sp. are resistant against certain agents.
T.
697
Fetuses have ø immune reaction.
F.
698
There is ø local immune reaction in newborn animals.
F.
699
The incubation time is the time between infection + appearance of clinical signs.
T.
700
The animals do ø carry the agent after recovery from an infectious disease because the immune system eliminates it.
F.
701
Tolerated infections result in high level of immune reaction.
F.
702
There is ø maternal immunity in birds.
F.
703
The immunoglobin content of the colostrum is ø changing in the 1st week of life.
F.
704
The colostrum contains maternal ly.
T.
705
The resistance of Circoviruses is high, they remain infectious in the environment for several mnths.
T.
706
Infectious chicken anemia virus causes clinical signs in chicken 1- 4 wks of age.
T.
707
Avian circoviruses do ø cause clinical signs in domestic birds.
F.
708
Sus circovirus causes only respiratory signs.
F.
709
For prevention of CIA, live attenuated vaccine is available.
T.
710
Sus circovirus may be shed in excretions for several mnths after recovery.
T.
711
Parvoviruses can be cultures in homologous, young dividng cell cultures.
T.
712
For prevention of Sus parvovirus fetal damages, only general preventive measures can be..
F.
713
Papilomaviruses usually cause benign prolifertions in epithelial cells.
T.
714
Sus parvovirus can cause fetal damages only if the infection takes place during the pregnancy.
T.
715
To cat panleukopenia virus only cats are susceptible.
F.
716
For prevention of dog parvovirus enteritis, live attenuated virus vaccines are used.
T.
717
The resistance of parvovirus is high, in the environment they remain infectious for several mnths.
T.
718
Sus parvovirus occurs worldwide, most herds are sero+ve.
T.
719
Papilloma viruses, with some exceptions are sp specific.
T.
720
Mink parvovirus enteritis appears as bloody diarrhoea.
T.
721
For prevention of goose parvovirus disease, both live attenuated + inactivated vaccines are used.
T.
722
Adenoviruses infect only mammalian hosts.
F.
723
Dogs carry canine adenovirus in the kidneys for several mnths.
T.
724
Canine adenovirus 2 can cause upper respiratory tract inflemmation.
T.
725
Adenovirus may cause urolithiasis in sheep.
T.
726
Avian adenovirus + goose parvovirus may cause similar pathological lesions in goslings.
T.
727
The turkey hemorrhagic enteritis virus cam cause marble spleen disease in pheasants.
T.
728
Herpesvirus are resistant to detergents.
F.
729
IBoR virus frequently causes encephalitis in old sows + bulls.
F.
730
The use of marker vaccines can improve the success of eradication from IBoR virus.
T.
731
MCF develops only in suckling up to 2 wks of age.
F.
732
The Aujeszky's disease is a zoonosis.
F.
733
The signs of Aujeszky's disease in dogs are similar to rabies.
T.
734
Sus infected with wild type Aujeszky's disease virus can be differentiatted from vaccinated ones by serological tests ( i.e. ELISA).
T.
735
Clinical manifestation of Sus IBR is usually seen in piglets <3 wks of age.
T.
736
Eq Rhinopenumonitis virus is present only in N. America.
F.
737
Eq Rhinopneumonitis virus can cause abortion several wks after acute infection.
T.
738
Eq should be vaccinated against Eq Rhinopneumonitis virus at least every 6 mnths.
T.
739
Eq Herpesvirus 3 can cause lesions on genital mucosa without abortion.
T.
740
Hypothermia + weak immune response facilitate the severity of canine herpesvirus infection of puppies.
T.
741
Pregnant bitches can be immunized against canine herpesvirus with inactivated vaccine.
T.
742
Fel herpesvirus does ø cause viraemia + abortion.
F.
743
Only sporadic clinical cases of duck viral enteritis are seen in an affected flock.
F.
744
The MD virus can stay infectious in the environment for several mnths.
T.
745
The pathological lesions of acute MD + reticuloendotheliosis can be similar.
T.
746
Poxviruses usually propagate in epithelial cells of the skin + mucosal surface.
T.
747
Skin nodules + ulcers can be signs of cowpox in cats.
T.
748
Cowpox virus frequently causes abortions + encephalitis of calves.
F.
749
Generalized lumpy skin disease may cause abortion.
T.
750
Attenuated vaccines are available against lumpy skin disease.
T.
751
Sus pox is usually a benign disease, but mortality may occur in piglets.
T.
752
The European brown hare is ø susceptible to the Myxoma virus.
F.
753
Respiratory signs can be seen in atypical forms of Myxomatosis.
T.
754
Signs of cutaneous fowl pox are usually seen on the head ( comb, eyelids) of chicken.
T.
755
Pathological lesions of mucosal fowl pox can be similar to infectious Laryngotracheitis.
T.
756
Overcrowding can help the spreading of several infectious diseases.
T.
757
Deserts can inhibit the spreading of several infectious diseases.
T.
758
Pandemic disease have ø tendency to spread.
F.
759
Epidemic disease are spreading in a larger geographical area e.g in several countries.
T.
760
If an animal is infected lab tests always detect the agent.
F.
761
The phase of the pathogenicity can influence the sensitivity of lab tests.
T.
762
Using serological tests, we detect the Ab produced against the agent.
T.
763
Using virus neutralization test we detect the Ab produced against agent.
T.
764
The protein content of the colostrum remains high for 1st 2 wks after giving birth.
F.
765
The Ig content of the colostrum remains high for the 1st wk after giving birth.
F.
766
The enteral absorption of immune globins is decreasing after birth.
T.
767
Maternal Ab can decrease the efficacy of vaccination.
T.
768
Marker vaccines are used to mark the site of vaccination.
F.
769
It is ø allowed to use inactivated deletion vaccines in the EU.
F.
770
Live vaccines contain attenuated/ avirulent agents.
T.
771
The agent in a vaccine can influence the level of the immune response of vaccianted animals.
T.
772
Resistance of circoviruses is very low, they are inactivated in the environment within days.
F.
773
In ducks + geese avian circoviruses can cause retarded growth + immunosuppression.
T.
774
For prevention of porcine circovirus disease vaccines are available.
T.
775
Avian circoviruses can spread via breeder eggs.
T.
776
For prevention of CIA live attenuated vaccines are available.
T.
777
The incubation period of porcine circovirus caused disease is about 2- 4 wks.
T.
778
Papilloma viruses apart from few exceptions are sp specific.
T.
779
Vaccines are used to prevent mink Aleutian disease.
F.
780
Derzsy's disease appears clinically most frequently in geese aged from 1 - 4 wks.
T.
781
Porcine parvovirus can cause neurological signs in sows.
F.
782
Porcine parvovirus canc ause fetal damages mostly in 1st pregnant gilts.
T.
783
Aleutian mink disease is due to formation of immunocomplexes.
T.
784
Goose polyomavirus can cause hemorrhagic nephritis + enteritis.
T.
785
Adenoviruses usually cause ventral nervous disease with high lethality.
F.
786
Only attenuated vaccines can be applied for immunization against adenoviruses.
F.
787
The EDS virus causes hepatitis + hydropericardium in young geese.
F.
788
Herpesvirus usually causes latent infection + life- long virus carriers.
T.
789
Pregnant cows should be immunized against IBRV only with inactivated vaccine.
T.
790
Sus are the reservoir host of MCF virus.
F.
791
Rodents are the natural hosts of Aujeszky's disease virus.
F.
792
In adult Sus, the most frequent manifestation of Aujeszky's disease is encephalitis.
F.
793
Dogs should be vaccinated agaisnt Aujeszky's disease virus yearly.
F.
794
Sus IBR is usually seen in piglets.
T.
795
Pregnant mares abort usually several wks after Eq herpesvirus 1 infection.
T.
796
Only pregnant mares should be immunized against Eq herpesvirus 1 infection.
F.
797
Eq herpesvirus 2 + 5 causes pustular vulvovaginitis.
F.
798
Coital exanthema virus does ø cause abortion.
T.
799
Canine herpesvirus 1 may cause generalised infection + severe disease in young puppies.
T.
800
Inactivated vaccines are avaiable for immunization against Canine herpesvirus 1.
T.
801
Fel herpesvirus 1 is mainly transmitted by msoquitoes.
F.
802
Conjunctivitis is a frequent sign of Fel infectious Rhinotracheitis.
T.
803
Tracheal lesions of ILT may be similar to those of fowl pox.
T.
804
Poxviruses never cause viraemia + generalized infection.
F.
805
Poxviruses can cause cytoplasmic inclusion bodies.
T.
806
Orthopox viruses are strong Ag.
T.
807
Parapox viruses are strong Ag.
F.
808
Virulent virus vaccines may be used for immunization against contagious pustular dermatitis of sheep ( Orf).
T.
809
Sheep- + goat pox are enzootic in Europe.
F.
810
Sheep pox is deadly for young susceptible lamsb.
T.
811
Sus pox virus frequently causes interstitial pneumonia.
F.
812
Only inactivated vaccines can be used for prevention against fowl pox.
F.
813
Polymerase chain reaction is used for the detection of Ag of the agent.
T.
814
PM lesions help in setting up a preliminary diagnosis.
T.
815
Epidemiological data help in setting up a preliminary diagnosis.
T.
816
Microscopic examination of samples is ø used in the diagnosis of infectious disease anymore.
F.
817
Ab are generally used to the actiological treatment of disease caused by bacteria.
T.
818
Use of Ab in the case of diseases caused by viruses is ø allowed because of Ab resistance.
F.
819
Treatment of certain infections diseases is prohibited.
T.
820
Symptomatic treatment is recommended because it can support healing of the diseased aniamls.
T.
821
Isolated keeping of different animal sp can prevent the spreading of infectious diseases.
T.
822
Isolated keeping of different age grps of the same sp cannot prevent spreading of infectious disease since all animals of the same sp are susceptible to the same agents.
F.
823
Day- old birds cannot be infected in the hatchery because they are protected by yolk immunity.
F.
824
ø agent can be eradicated by Ab treatment.
F.
825
In the case of generation shift newborn animals have to be kept isolated from the parent animals.
T.
826
In the case of herd replacement the herd is replaced with infection- free animals.
T.
827
Circoviruses can be cultured easily in many cell lines.
F.
828
Parvoviruses multiplicate only in rapidly dividng cells.
T.
829
Cat panleukopenia virus can cause disease also in Mustelidae sp.
T.
830
Papillomaviruses can be cultured in epithelial cell lines.
F.
831
Goose polyomavirus caused disease clinically appears in young animals.
T.
832
Polyomaviruses canc ause neoplasm in rodents.
T.
833
For prevention of Derzsy's disease both live + inactivated vaccines are used.
T.
834
For prevention of porcine parvovirus caused fetal dmaages, live vaccines are avaialble.
T.
835
Serological cross- reactions may be seen between adenoviruses within the same genus.
T.
836
Canine adenovirus 2 frequently causes abortion in dogs.
F.
837
Colostrum uptake may influence the resistance of calves to adenoviral pneumoenteritis.
T.
838
Bo adenoviruses may damage kidney tubular cells.
T.
839
Avian adenoviruses may cause hepatitis in chicken.
T.
840
EDS virus causes cloaca paralysis.
F.
841
IBoR virus causes hemorrhagic gastroenteritis.
F.
842
Bo herpes Mammillitis virus may cause lesions on the lips of milking calves.
T.
843
MCF can be seen inly in calves younger than 1 mnth.
F.
844
Aujeszky's disease virus may infect multiple mammalian hosts.
T.
845
Abortion of sows can be a sign of Aujeszky's disease.
T.
846
Aujeszky's disease in cats is usually a mild respiratory disease with quick recovery.
F.
847
The Sus IBR virus may cause reprocutive problems in sows.
T.
848
Eq herpesvirus 5 play a role in Eq multinodular pulmonary fibrosis.
T.
849
Liver lesions are frequently seen in puppies with Canid herpesvirus 1 ifnection.
T.
850
Conjuncticitis is a frequent sign of Duck Viral Enteirits.
T.
851
Conjunctivitis is a frequent sign of acute MD disease.
F.
852
Orf ( Contagiousus Pustular Dermatitis) virus is zoonotic.
T.
853
Vaccination against Bo papular Stomatitis provides life-long immunity.
F
854
Orf virus is very resistant in the environment.
T.
855
Contagious Pustular Dermatitis can only be seen on the teats of ewes.
F.
856
Sheep pox virus infections frequently generalize.
T.
857
Sheep + goat pox virus is transmitted only vertically.
F.
858
Vaccines are available against sheep pox in endemic areas.
T.
859
Avipox viruses can cause fever + rash in children.
F.
860
Gastric juice can protect the host from infections.
T.
861
Fetuses have ø active immune response.
F.
862
Only animals showing clinical signs can shed infective agents.
F.
863
Cholelithiasis is frequently seen in Ov adenovirus 4 infection of rams.
F.
864
Adenoviruses may cause hepatitis in chicken.
T.
865
Wild boars are ø susceptible to Aujeszky's disease virus.
F.
866
Attenuated vaccines are used in pregnant cows agaisnt IBoR virus.
F.
867
Eq herpesvirus 2 + 5 cause diarrhea + hepatitis in foals.
F.
868
In utero infections with Canid herpesvirus may result in abortion.
T.
869
Felid herpesvirus 1 is moderately contagious: spreads slowly in cat populations.
F.
870
Ab treatment is the most effective control method for Duck Viral Enteritis.
F.
871
Duck Plague Virus may be shed lifelong by animals recovered from the disease.
T.
872
Pigeon herpesvirus kills mostly d- old pigeons.
F.
873
MD is usually seen in chickens < 2 wks of age.
F.
