Epi Mix AH 6601-6786 Flashcards

1
Q

Antibodies in the milk against enzootic bovine leukosis virus can be detected with ELISA

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Tumours caused by enzootic leukosis virus generally appear at the age of 6 months

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The infection with enzootic leukosis virus is detected by AGP and ELISA

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Enzootic bovine leukosis virus is zoonotic

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Enzootic bovine leukosis virus cannot cause intrauterine infection

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The target cells of enzootic bovine leukosis virus are the B lymphocytes

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Enzootic bovine leukosis virus is not shed by the infected animals

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Enzootic bovine leukosis virus can be transmitted with organic infection

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Enzootic bovine leukosis virus can be transmitted with per os infection

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

During incubation phase of bovine enzootic leucosis the animal become seropositive

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

PCR is used for the detection of bovine enzootic leucosis in immunotolerant calves

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Bovine enzootic leucosis can be eradicated with selection

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Bovine enzootic leucosis virus has several serotypes

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

There is no horizontal spread in the case of bovine enzootic leucosis

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

There is genetic predisposition in the case of bovine enzootic leucosis

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Enzootic bovine leucosis occurs in all ruminant species

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Enzootic bovine leukosis virus can infect cattle, pigs and horses

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Iatrogenic infection can be important in the transmission of enzootic bovine leukosis virus

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Aerogenic infection occurs in the case of enzootic bovine leukosis virus

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Enzootic bovine leucosis is spreading very fast in infected herds

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Enzootic bovine leucosis virus can infect the foetus

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Enzootic bovine leukosis occurs only in Holstein-Frisian cattle, other cattle races are resistant

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Enzootic bovine leukosis has low resistance; it cannot retain its infectivity for a long time in environment

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

The most severe clinical signs of ovine pulmonary adenomatosis can be seen in lambs younger than 6 months

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Antibodies of animals infected with ovine pulmonary adenomatosis virus can be detected with ELISA

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Adenocarcinoma can be seen postmortem in the case of ovine pulmonary adenomatosis

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Ovine pulmonary adenomatosis virus is transmitted with tracheal discharge

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Ovine pulmonary adenomatosis virus can be transmitted with contaminated objects to other farm

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Ovine pulmonary adenomatosis virus can infect sheep, goats, and cattle

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Shedding large amount of nasal discharge is a typical clinical sign of ovine pulmonary adenomatosis

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Ovine pulmonary adenomatosis virus replicates in lymphoid cells and causes viraemia

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Metastasis are rare in the case of Ovine Pulmonary Adenomatosis

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Ovine pulmonary adenomatosis occurs only in South Africa

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Ovine pulmonary adenomatosis virus has no onc-gene

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Ovine pulmonary adenomatosis is prevented with inactivated vaccines

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Ovine pulmonary adenomatosis spreads with nasal discharge

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

The primary replication site of OPA is in the mucosal cells of the intestines

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Metastasis are frequently seen in parenchymal in the case of OPA

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Ovine pulmonary adenomatosis virus is found in 2-4 months old lambs

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Ovine pulmonary adenomatosis virus is replicating in the epithelium of the airways

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Tumours can frequently be seen in the liver and the spleen in the case of ovine pulmonary adenomatosis

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Ovine pulmonary adenomatosis can be complicated by Pasteurella and Mannheimia strains

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

In the case of ovine pulmonary adenomatosis lesions are common in the liver

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Ovine pulmonary adenomatosis virus causes interstitial pneumonia

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Lung adenomatosis causes usually dry cough

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Lung adenomatosis causes a lot of metastasis

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Ovine pulmonary adenomatosis has no antibody production

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Ovine pulmonary adenomatosis virus results in malignant transformation of macrophages

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Europe is free from ovine pulmonary adenomatosis

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

No antibodies to ovine pulmonary adenomatosis virus can be detected in infected animals

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Faces of infected animals contain large amount of ovine pulmonary adenomatosis virus

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Tumour transformation of the epithelial cells happens in the case of ovine pulmonary adenomatosis

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Jaagsiekte affects lambs of 3-6 months

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Jaagsiekte virus can transform human cells

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Jaagsiekte is only present in Africa

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Jaagsiekte causes metastatic abscess formation all over the body

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Feline leukosis virus will be shed lifelong by infected cats

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

There are no vaccines for the prevention of feline leukosis

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

FOCMA antigen is a typical surface antigen of feline leukosis viruses

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

Feline leukosis virus can only be transmitted with saliva

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

Cats remain infected with feline leukosis virus lifelong

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

Feline leukosis is maintained by persistently infected cats

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

Feline leukosis virus can be transmitted by direct contact

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

Feline leukosis virus can cause horizontal and vertical infection

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

Vaccination of only seronegative cats is responsible against feline leukosis

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

Immunotolerant kittens can be born in the case of feline leukosis

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

Feline Leukosis can be eliminated in some cats

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

There are several subgroups of feline leukosis virus

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

Feline leukosis virus can cause immune tolerance

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

Feline sarcomatosis virus is a recombinant virus from feline leukosis virus and host DNA

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

Feline leukosis virus is uniform

A

f

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

In the saliva of cats is a high-titer of FeLV

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

Feline leukosis virus can cause protective immunity

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q

In Feline leukosis, anaemia is an important sign

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q

Cat leukosis virus can be diagnosed with PCR

A

t

76
Q

There is no vaccine against Feline leukosis virus

A

f

77
Q

Feline leukosis can infect dogs and cats.

A

f

78
Q

Asymptomatic infection cannot happen in the case of Feline leukosis

A

f

79
Q

Feline leukosis virus is immunosuppressive

A

t

80
Q

Feline leukosis virus is frequently spread with saliva

A

t

81
Q

Feline leukosis virus can infect dogs, cats and wild living carnivorous animals

A

f

82
Q

Feline leukosis is a very rare disease

A

f

83
Q

Feline sarcomatosis is a defect virus

A

t

84
Q

Feline leukosis can cross the placenta

A

t

85
Q

Infection with feline leukosis virus always appears in clinical signs

A

f

86
Q

Feline leukosis virus is spreading by discharge of the infected animal

A

t

87
Q

Persistently infected cats can shed the feline leukosis virus in high titres

A

t

88
Q

Saliva of the animal contains large amount of the feline leukosis virus

A

t

89
Q

Feline leucosis spreads by direct contact

A

t

90
Q

Feline immunodeficiency virus causes persistent infection

A

t

91
Q

Feline immunodeficiency virus is widespread

A

t

92
Q

Feline immunodeficiency virus in cat could be asymptomatic

A

t

93
Q

Feline immunodeficiency virus is spread by excretes

A

f

94
Q

Feline immunodeficiency virus develops in 3 phases

A

t

95
Q

Inactivated vaccines are used for the prevention of avian leukosis

A

f

96
Q

Attenuated vaccines are used for the prevention of avian leukosis

A

t

97
Q

Avian leukosis viruses have several subgroups

A

t

98
Q

Tumours in the liver can be seen in the case of avian leukosis

A

t

99
Q

Avian leukosis viruses cause horizontal infection

A

t

100
Q

J subtype of avian leukosis virus is more virulent than the other ones

A

t

101
Q

Avian leukosis can be diagnosed by detecting COFAL antigen

A

t

102
Q

Lymphoid leukosis is the most frequent clinical form of avian leukosis

A

t

103
Q

Avian leukosis viruses cause germinative infection

A

t

104
Q

All avian leukosis viruses are oncogenic

A

t

105
Q

Avian leukosis viruses a resistant, they can survive in the bedding for several weeks

A

f

106
Q

Avian leukosis causes the malignant transformation of B lymphocytes

A

t

107
Q

Avian leukosis virus occurs only in tropical and subtropical countries

A

f

108
Q

Avian leuKosis virus can cause only lymphoid leukosis

A

f

109
Q

Avian leukosis viruses can cause malignant transformation in different tissues

A

t

110
Q

Germinative infection is an important way of transmission of avian leukosis virus

A

t

111
Q

Clinical signs of avian leukosis can be seen typically in broiler chicken

A

f

112
Q

Osteopetrosis can be a clinical form of avian leukosis

A

t

113
Q

Avian Leukosis virus is uniform

A

f

114
Q

Every avian leukosis viruses is oncogenic

A

t

115
Q

Avian leukosis virus cannot infect by germinative way

A

f

116
Q

Avian leukosis virus infects B lymphocytes

A

t

117
Q

Infection of poultry herds with avian leukosis virus is widespread

A

t

118
Q

Clinical signs of avian leukosis generally appear in day old chicken

A

f

119
Q

Lymphoid leukosis is the most frequent form of avian leukosis

A

t

120
Q

The main way of prevention of avian leukosis is vaccination using attenuated strains

A

f

121
Q

Avian leukosis viruses are shed in the faeces

A

t

122
Q

There is no germinative infection in the case of avian leukosis viruses

A

f

123
Q

The target cells of the avian leukosis viruses are the B lymphocytes

A

t

124
Q

There are several subgroups of avian leukosis viruses

A

t

125
Q

All avian leukosis viruses cause malignant transformation of the host cells

A

t

126
Q

In a flock infected with avian leukosis virus generally 50-60% of the animals have tumours

A

f

127
Q

Detection of COFAL antigen is a frequent way of diagnosis of avian leukosis

A

t

128
Q

Avian leukosis is seen during the first week of life in chicken

A

f

129
Q

There are resistant lines to avian leukosis

A

t

130
Q

Proportion of the animals with tumours is low, 1-4% in the case of avian leukosis

A

t

131
Q

Inactivated vaccines are widely used in order to prevent avian leukosis

A

f

132
Q

Tumours can be seen in different parenchymal organs in the case of avian leukosis

A

t

133
Q

T-lymphocytes are the target cell of the avian leukosis virus

A

f

134
Q

Avian leucosis and sarcoma infections are very common

A

t

135
Q

Avian leucosis can be caused by different retroviruses

A

t

136
Q

Congenital transmission of avian leucosis results in immune tolerance

A

t

137
Q

Reticuloendotheliosis is caused by J type of avian leukosis virus

A

f

138
Q

Germinative infection can happen in the case of Reticuloendotheliosis

A

t

139
Q

Reticuloendotheliosis virus is shed in the faces

A

t

140
Q

Reticuloendotheliosis virus can cause germinative infection

A

t

141
Q

Stunted growth is a clinical sign of reticuloendotheliosis

A

t

142
Q

Reticuloendotheliosis is prevented by vaccination of the parent animals

A

f

143
Q

Immunosuppression is common in the case of Reticuloendotheliosis

A

t

144
Q

Retardation is a clinical sign of Reticuloendotheliosis

A

t

145
Q

Wide vaccination is used to prevent Reticuloendotheliosis

A

f

146
Q

In the case of reticuloendotheliosis immunotolerant chicken can be hatched

A

t

147
Q

Pneumonia is a typical lesion of reticuloendotheliosis

A

f

148
Q

In the case of reticuloendotheliosis tumors can be found in the parenchymal organs

A

t

149
Q

Avian reticuloendotheliosis may be similar in appearance to Marek ́s disease

A

t

150
Q

Proliferative enteropathies are caused by Campylobacter hyointestinalis

A

f

151
Q

Proliferative Enteropathies occur in pigs btw. 6 - 20 weeks of age

A

t

152
Q

Lawsonia intracellularis affects growers

A

t

153
Q

Intestinal adenomatosis is a form of proliferative enteropathies

A

t

154
Q

Proliferative enteropathies occur in pigs between 6 and 20 weeks of ager

A

t

155
Q

Tiamulin can be used for the treatment of proliferative enteropathies

A

t

156
Q

Swine dysentery is caused by Brachyspira hyodysenteriae

A

t

157
Q

Lesions of Swine Dysentery are mainly seen in the large intestine

A

t

158
Q

Necrosis of the gut epithelium is a lesion of swine dysentery

A

t

159
Q

Haemorrhages under the serous membranes are typically postmortem lesions of swine dysentery

A

f

160
Q

Leptospira Tarassovi can cause abortion in pigs

A

t

161
Q

Inactivated vaccines are used for the prevention of bovine leptospirosis

A

t

162
Q

Clinical signs of the central nervous system can be seen in the case of leptospirosis of young dogs

A

t

163
Q

Bovine leptospirosis can be successfully treated with penicillins

A

t

164
Q

Set of fetuses can be seen in the case abortion of sows caused by Leptospira bacteria

A

t

165
Q

Chronic nephritis is a frequent clinical sign of leptospirosis of old dogs

A

t

166
Q

Leptospira can be detected with silver impregnation test

A

t

167
Q

Leptospirosis of suckling piglets is a frequent acute disease

A

f

168
Q

Generally attenuated vaccines are used for the prevention of leptospirosis of pigs

A

f

169
Q

Leptospira bacteria are transmitted by ticks

A

f

170
Q

Leptospira icterohaemorrhagiae can cause acute disease of young dogs

A

t

171
Q

Leptospira can cause moon blindness of horses

A

t

172
Q

Abortion is the main clinical sign of leptospirosis in dogs

A

f

173
Q

Leptospirosis of young dogs is mainly caused by Leptospira canis

A

f

174
Q

The haemotropic mycoplasmas cannot be cultured on media

A

t

175
Q

Contagious bovine pleuropneumonia is a fast spreading, acute, generalized disease

A

t

176
Q

Mycoplasma synoviae can cause arthritis and respiratory infection

A

t

177
Q

Mycoplasma synoviae is spreading vertically

A

t

178
Q

Contagious bovine pleuropneumonia is caused by Mycoplasma mycoides subsp. Mycoides

A

t

179
Q

Majority of the mycoplasmas cannot be cultured on media

A

f

180
Q

Mycoplasmas are bacteria without cell wall

A

t

181
Q

Serous-purulent pneumonia is the typical lesion of contagious bovine pleuropneumonia

A

f

182
Q

Chlamydiosis is a zoonosis

A

t

183
Q

Chlamydia psittaci causes sinusitis in turkey

A

t

184
Q

Chlamydia pecorum can cause arthritis in cattle

A

t

185
Q

Chlamydia pecorum can cause encephalitis in cattle

A

t

186
Q

Animal pathogenic chlamydia species do not cause disease in human

A

T i think