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Epidemiology > Epi midterm pastQ from bottom part 1 > Flashcards

Epi midterm pastQ from bottom part 1 Flashcards

1
Q

Using hyperimmune sera is usually not justifiable

A

True

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2
Q

Cattle should be immunized against Malignant Catarrhal Fever virus

A

False

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3
Q

Antibacterial treatment is used in order to prevent secondary bacterial infections

A

True

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4
Q

Asymptomatic infections cannot be manifest.

A

False

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5
Q

In the case of latent infection no clinical signs can be seen

A

False

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6
Q

Meat is never involved in transmission of infections since fermentation of meat kills
agents.

A

False

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7
Q

In the case of tolerated infection the animals shed the agent.

A

True

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8
Q

The Swine Inclusion Body Rhinitis virus may cause reproductive problems in sows

A

True

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9
Q

During a tolerated infection the animals are seropositive.

A

False

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10
Q

In case of subclinical infection the animals can shed the agent.

A

True

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11
Q

In case of latent infection the animals shed the agent.

A

False

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12
Q

Infection cannot happen through water since bacteria and viruses are inactivated in water.

A

False

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13
Q

Human can be infected Myxomatosis

A

False

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14
Q

Human can be infected with Orf.

A

True

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15
Q

Human can be infected by Parapoxvirus.

A

True

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16
Q

Humans can be infected with swine pox.

A

False

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17
Q

All Poxviruses induce long-lasting immunity.

A

False

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18
Q

Lesions due to Orf, typically appear on the muco-cutaneous junction.

A

True

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19
Q

Neonatal lambs are susceptible to Orf, as they have no maternal immunity.

A

True

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20
Q

Orf affects sheep flocks and goat herds, mainly young lambs and kids.

A

True

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21
Q

Orf is a rare disease of sheep flocks and cattle herds.

A

False

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22
Q

The following viruses can infect humans: Parapoxvirus and Orf.

A

True

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23
Q

Myxomatosis causes no viraemia in cotton tail rabbits.

A

True

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24
Q

Myxomatosis causes benign localized skin lesion in cotton tail rabbits.

A

True

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25
Q

Conjunctival or respiratory form of Myxomatosis are atypical.

A

True

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26
Q

Typical form of Myxomatosis presents with gelatinous swellings, “lion head” and cold-like
symptoms.

A

True

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27
Q

Only domestic rabbits are susceptible to Myxomatosis.

A

False

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28
Q

The cutaneous form of Fowl pox is benign.

A

True

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29
Q

Swine poxvirus infection might cause death in newborns.

A

True

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30
Q

Swine poxvirus infection can be transmitted by arthropods.

A

True

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31
Q

Swine poxviruses affects only pigs and grows only on porcine tissue.

A

True

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32
Q

Swine poxvirus infection gives lifelong immunity.

A

True

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33
Q

Diarrhea and nasal discharge are common in Pigeon herpesvirus infections.

A

True

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34
Q

Pigeon herpesvirus has the highest mortality in day-old pigeons.

A

False

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35
Q

Pigeon herpesvirus infection is related to Marek’s disease.

A

True

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36
Q

Pigeon herpesvirus causes conjunctivitis, rhinitis, pharyngitis and diarrhea in the acute
stage.

A

True

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37
Q

Pigeon herpesvirus infections mainly affect young pigeons.

A

True

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38
Q

Conjunctivitis is a frequent sign of Duck Plague

A

True

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39
Q

Duck Plague is more severe in wild birds than domestic ducks.

A

False

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40
Q

In most cases the Duck Plague disease remain symptomless

A

False

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41
Q

Depression, respiratory signs and bloody diarrhea are main signs of Duck Plague.

A

True

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42
Q

Duck Viral Enteritis can affect all age groups.

A

True

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43
Q

Duck Plague is a disease of young ducks only.

A

False

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44
Q

Duck Plague also affects geese.

A

True

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45
Q

Duck Plague virus causes high mortality in both old and young birds.

A

False

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46
Q

Duck Plague only causes disease in ducks and geese.

A

False

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47
Q

Duck Plague only causes hepatitis in young ducks

A

False

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48
Q

Duck Plague is an outbreak of Avian influenza in ducks, with a host-adapted version of the
virus.

A

False

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49
Q

Duck Plague virus can “settle” in wild ducks.

A

True

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50
Q

Duck Plague/Duck viral Enteritis vaccination is not needed as clinical signs are mild.

A

False

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51
Q

Vaccines containing a live attenuated strain can be used for prevention against Duck
Plague.

A

True

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52
Q

Duck Plague/Duck viral Enteritis clinical signs in young ducks are only seen in birds up to
4 weeks of age

A

False

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53
Q

Duck Plague/Duck viral Enteritis cause high mortality in all ages.

A

False

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54
Q

The incubation time of Marek’s disease is 1-2 days.

A

False

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55
Q

The neurological form of Marek’s disease has an en-masse appearance

A

False

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56
Q

The acute form of Marek’s disease is characterized by tumor development.

A

True

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57
Q

Highly virulent Marek’s disease viruses may break through vaccine induced protection.

A

True

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58
Q

Marek’s disease viruses are uniform in their virulence.

A

False

59
Q

The highly virulent strains of Marek’s disease may cause tumors in turkeys.

A

True

60
Q

No vaccination is needed against Marek’s disease.

A

False

61
Q

Live attenuated strains are used for vaccination against Marek´s disease.

A

True

62
Q

General preventative measures and vaccination of day-old chickens must be used for the
prevention of Marek’s disease

A

True

63
Q

Prevention against Marek´s: no measures needed as the disease remains mostly
symptomless.

A

False

64
Q

We can differentiate Marek’s disease from reticuloendotheliosis only by lab diagnostics
methods.

A

True

65
Q

The neoplastic form of Marek’s is caused by low virulence strains

A

False

66
Q

Vaccination is used for the prevention of Marek´s disease.

A

True

67
Q

The neoplastic form of Marek disease is caused by high virulence strains.

A

True

68
Q

Marek’s disease primarily targets day old chickens

A

False

69
Q

Marek’s disease virus spread primarily germinatively.

A

False

70
Q

Marek´s disease is a beta herpes virus.

A

False

71
Q

Marek´s disease in the blood multiplies in the endothelial cells

A

False

72
Q

Marek’s disease virus is shed mainly via the faeces.

A

False

73
Q

Marek’s disease spreads primarily via the aerogenous route.

A

True

74
Q

Marek’s disease only occurs in domestic fowl.

A

True

75
Q

Mortality of infectious laryngotracheitis can go up to 50%.

A

True

76
Q

Infectious Laryngotracheitis can be deadly in chickens.

A

True

77
Q

Infectious Laryngotracheitis frequently damages the oviduct of hen.

A

False

78
Q

Infectious Laryngotracheitis occurs mainly in day old chickens.

A

False

79
Q

Infectious Laryngotracheitis causes eggshell deformation

A

False

80
Q

Infectious Laryngotracheitis also occur in Hungary.

A

True

81
Q

Infectious Laryngotracheitis of poultry spreads germinatively.

A

False

82
Q

Infectious Laryngotracheitis virus invades the kidneys after viraemia.

A

False

83
Q

Infectious Laryngotracheitis causes changes in the larynx and upper airways.

A

True

84
Q

Infectious Laryngotracheitis usually occurs clinically under 6 weeks of age.

A

False

85
Q

Mucous is a frequent sign of Feline Infectious Rhinotracheitis.

A

True

86
Q

Feline Infectious Rhinotracheitis can be treated with specific hyperimmune serum.

A

True

87
Q

Abortion is rare in pregnant queens infected with FEHV-1 (rhinotracheitis).

A

False

88
Q

Clinical signs of Feline Infectious Rhinotracheitis are similar to those of Calicivirus
infection.

A

True

89
Q

Canine herpesvirus infection can be deadly below 2-3 weeks of age.

A

True

90
Q

Large dog kennels are usually seropositive for canine herpesvirus.

A

True

91
Q

Herpesvirus infection of dogs is most severe in 3-6 months old puppies.

A

False

92
Q

Horses should be vaccinated against Equine herpesvirus-1 every six months.

A

True

93
Q

Equine herpesvirus-1 primarily causes abortion

A

True

94
Q

Mares infected with Equine herpesvirus-1 have a febrile state, then abort.

A

True

95
Q

It is enough to vaccinate mares 2 times against Equine herpesvirus-2

A

False

96
Q

One vaccination is enough to prevent Equine herpesvirus-1.

A

False

97
Q

Equine herpesvirus-3 cause abortion storms.

A

False

98
Q

Equine Coital Exanthema can cause abortion storms in studs.

A

False

99
Q

Vaccination containing Equine herpesvirus-1 also provides protection against EHV-4.

A

False

100
Q

Equine herpesvirus-1 contains cross-reactive proteins against disease caused by EHV-4.

A

True

101
Q

Equine herpesvirus-2 in horses does not cause symptoms in adult animals.

A

True

102
Q

Equine herpesvirus-1 primarily causes respiratory symptoms in horses.

A

False

103
Q

Equine herpesvirus-4 primarily causes abortion in horses

A

False

104
Q

In horses infected with Equine herpesvirus-2, the symptoms are often unnoticed.

A

True

105
Q

Equine herpesvirus-4 causes mainly respiratory symptoms in horses.

A

True

106
Q

CNS signs rarely seen in adult swine with Aujeszky’s disease.

A

True

107
Q

Older pigs are more frequently affected by Aujeszky´s.

A

False

108
Q

Aujeszky`s disease causes 20-30% mortality in susceptible piglets.

A

False

109
Q

Aujeszky`s disease causes pruritus in susceptible piglets.

A

False

110
Q

Aujeszky`s disease doesn’t cause clinical signs in susceptible piglets.

A

False

111
Q

Aujeszky`s disease causes pneumonia in susceptible piglets.

A

False

112
Q

Aujeszky´s disease causes fever in day old piglets.

A

True

113
Q

Aujeszky´s disease can cause respiratory signs in adult pigs.

A

True

114
Q

Aujeszky´s disease in cats spreads along the nerves.

A

True

115
Q

Aujeszky´s disease in pigs causes viraemia.

A

True

116
Q

Aujeszky´s disease can occur in pigs and cats.

A

True

117
Q

Malignant Catarrhal Fever does not occur in Hungary.

A

False

118
Q

Malignant Catarrhal Fever occurs if we keep cattle and sheep together

A

True

119
Q

Malignant Catarrhal Fever spreads slowly within a cattle herd.

A

False

120
Q

Malignant Catarrhal Fever can cause diarrhea.

A

True

121
Q

Malignant Catarrhal Fever does not occur in Europe.

A

False

122
Q

Swine are affected by Malignant Catarrhal Fever.

A

True

123
Q

We vaccinate calves 2 times against Malignant Catarrhal Fever.

A

False

124
Q

Regarding Bovine Herpes Mammillitis, mainly heifers show clinical signs.

A

True

125
Q

IBR is a frequent infection, cattle and its closest relatives are affected.

A

True

126
Q

IBR can occur in several clinical forms.

A

Ture

127
Q

Genital form of IBR is often followed by abortion.

A

False

128
Q

In the transmission IBRV, the most important route is the germinative route.

A

False

129
Q

Infectious Bovine Rhinotracheitis is rare, BHV-1 only affects cattle

A

False

130
Q

Infectious Bovine Rhinotracheitis mainly causes pneumonia in 1-6 months old calves.

A

True

131
Q

nfectious Bovine Rhinotracheitis virus mainly cause encephalitis in cattle older than 6
months.

A

False

132
Q

We are doing Infectious Bovine Rhinotracheitis virus eradication programs in Hungary.

A

True

133
Q

We can see characteristic clinical signs of Infectious Bovine Rhinotracheitis in day-old
calves.

A

False

134
Q

Infectious Bovine Rhinotracheitis spreads slowly within a herd.

A

True

135
Q

The respiratory form of Infectious Bovine Rhinotracheitis is often followed by genital
symptoms.

A

False

136
Q

Infectious Bovine Rhinotracheitis is no longer present in Hungary.

A

False

137
Q

Infectious Bovine Rhinotracheitis is rapidly spread within the herd.

A

False

138
Q

In Hungary the gE-negative marker vaccine is to be used in the control of Infectious
Bovine Rhinotracheitis.

A

True

139
Q

Infectious Bovine Rhinotracheitis cause purulent discharge.

A

True

140
Q

Infectious Bovine Rhinotracheitis may cause inflammation of conjunctiva.

A

True

141
Q

Infectious Bovine Rhinotracheitis often cause genital lesions with vesicles.

A

True

142
Q

Infectious Bovine Rhinotracheitis in cattle 6 months of age can cause encephalitis.

A

False

143
Q

Infectious Bovine Rhinotracheitis in 6-month-old calves usually causes pneumonia.

A

True

144
Q

Infectious Bovine Rhinotracheitis (IBR) cause serous nasal discharge.

A

True

Epidemiology (6 decks)

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