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EPI > Midterm 2 part 2 chapter II > Flashcards

Midterm 2 part 2 chapter II Flashcards

1
Q

Rabbit haemorrhagic disease is characterized by rapid progression.

A

True

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2
Q

Australia is free of rabbit haemorrhagic disease.

A

False

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3
Q

There are no vaccines available against rabbit haemorrhagic disease.

A

False

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4
Q

Up to 100% of susceptible rabbits may be killed by rabbit haemorrhagic disease.

A

True

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5
Q

The incubation time of rabbit haemorrhagic disease is usually over 3 weeks.

A

False

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6
Q

The Rabbit Hemorrhagic Disease is a chronic illness with low morbidity.

A

False

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7
Q

Encephalitis is a frequent sign of the rabbit haemorrhagic disease

A

False

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8
Q

Feline caliciviruses cause hemorrhagic enteritis.

A

True

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9
Q

Cats may carry and shed feline calicivirus for several months or years.

A

True

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10
Q

Some variants of feline calicivirus may escape vaccine induced protection.

A

True

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11
Q

Feline calicivirus infection may cause pyrexia and lameness

A

True

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12
Q

Erosions on the oral mucosa are frequent signs of feline calicivirus infection.

A

True

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13
Q

Feline calicivirus has a very characteristic biphasic fever

A

True

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14
Q

Rotaviruses mainly cause respiratory disease in older animals.

A

False

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15
Q

Rotaviruses typically cause respiratory disease in 3-6 month old calves.

A

False

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16
Q

Rotavirus is species specific

A

False

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17
Q

Bluetongue disease is present only in tropical and sub-tropical countries.

A

False

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18
Q

Wild birds are the natural reservoir host of the Bluetongue virus.

A

False

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19
Q

In utero Bluetongue virus infection may result in immunotolerance.

A

True

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20
Q

The most severe clinical manifestation of Bluetongue disease is usually seen in goats.

A

False

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21
Q

Bluetongue is an Orbivirus.

A

True

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22
Q

Bluetongue primarily spreads with blood sucking insects

A

True

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23
Q

Bluetongue replicates in endothelial cells of blood vessels.

A

True

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24
Q

The causative agent of Bluetongue multiplies in endothelium.

A

True

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25
Q

Bluetongue has 24 known serotypes.

A

False

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26
Q

Bluetongue is an enteral disease of turkeys.

A

False

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27
Q

Bluetongue causes symptoms mostly in sheep and goat.

A

False

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28
Q

Bluetongue is not present in Europe.

A

False

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29
Q

Bluetongue causes skin signs in bovine

A

True

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30
Q

Bluetongue also infects pigs.

A

False

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31
Q

Bluetongue infects all hooved animals.

A

False

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32
Q

No long-term carrier stage is observed in Bluetongue virus infections.

A

False

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33
Q

´Bluetongue virus is typically vectored by ticks.

A

False

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34
Q

Sheep are less sensitive to Bluetongue than swine.

A

False

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35
Q

Ruminants and swine are the most important hosts of the Bluetongue virus.

A

False

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36
Q

Lameness is one of the clinical signs of Bluetongue disease in sheep

A

True

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37
Q

Rodents are the main reservoirs of the Bluetongue virus.

A

False

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38
Q

Bluetongue is present only in tropical areas.

A

False

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39
Q

Vaccination against Bluetongue provides serotype-specific protection.

A

True

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40
Q

Serological cross protection exists between 25 known serotypes of Bluetongue virus.

A

False

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41
Q

No long-term carrier stage is observed in Bluetongue infections.

A

False

42
Q

Epizootic hemorrhage fever is a Bluetongue-like disease of wild ruminants in America.

A

True

43
Q

Ibarki disease is a Bluetongue-like disease in Asia and in America.

A

True

44
Q

The serotype 8 strain of the bluetongue virus, which emerged in Western Europe, does not cause clinical signs in cattle

A

False

45
Q

Epizootic haemorrhagic disease was described only in Australia so far

A

False

46
Q

African Horse Sickness is a frequent disease, distributed worldwide.

A

False

47
Q

Respiratory signs are the most frequent symptoms in acute African Horse Sickness.

A

True

48
Q

The differential diagnosis of African Horse Sickness and Tetanus is rather complicated.

A

False

49
Q

African Horse Sickness is spread primarily by “small mosquitos”.

A

True

50
Q

Carriers for African Horse Sickness are zebras and donkeys.

A

True

51
Q

African Horse Sickness is not present in Europe today

A

True

52
Q

African Horse Sickness is caused by an arbovirus.

A

True

53
Q

African Horse Sickness is caused by Orbivirus.

A

True

54
Q

The most characteristic post mortem lesion in African Horse Sickness is hemorrhages and edema.

A

True

55
Q

Reservoir for African Horse Sickness is zebras and donkeys.

A

False

56
Q

African Horse Sickness is presented mainly per-acutely in donkeys.

A

False

57
Q

African Horse Sickness virus only infect horses

A

False

58
Q

Zebras are more resistant to African horse sickness than horses.

A

True

59
Q

Immunized horses may develop a chronic febrile form of the African horse sickness.

A

True

60
Q

Horses are more susceptible than zebra in African Horse Sickness.

A

True

61
Q

Hemorrhagic meningoencephalitis is the most frequent sign of the African Horse Sickness.

A

False

62
Q

The African Horse Sickness virus may infect dogs too.

A

True

63
Q

The African Horse Sickness and the Infectious Equine Arteritis may have similar clinical signs.

A

True

64
Q

African horse sickness is a world-wide distributed and frequent disease.

A

False

65
Q

The subacute form of the African horse sickness is mainly characterized by edematisation and cardiac dysfunction

A

True

66
Q

Midges are the main vectors of the Equine encephalosis virus

A

True

67
Q

Avian orthoreoviruses may cause necrotic foci in the visceral organs of birds.

A

True

68
Q

Avian orthoreoviruses infect only via inhalation and parenterally.

A

False

69
Q

Avian orthoreoviruses only infect via PO infections.

A

False

70
Q

All Avian orthoreoviruses can spread germinatively.

A

True

71
Q

Helicopter disease causes feather problems.

A

True

72
Q

Rotaviruses frequently cause tenosynovitis in birds.

A

False

73
Q

Avian orthoreoviruses usually cause disease in adult birds.

A

False

74
Q

Avian orthoreovirus may cause necrotic foci in the visceral organs of birds.

A

True

75
Q

Orthoreovirus infections cause immunosuppression in birds.

A

True

76
Q

Tenosynovitis is a frequent sign of Avian Orthoreovirus

A

True

77
Q

Orthoreovirus mainly infects younger animals.

A

True

78
Q

Orthoreovirus causes respiratory and GI disease.

A

True

79
Q

Orthoreovirus causes tenosynovitis in piglets.

A

False

80
Q

Tenosynovitis is caused by only one Orthoreovirus

A

False

81
Q

Orthoreoviruses frequently cause tenosynovitis of horses

A

False

82
Q

Infectious bursal disease causes severe illness, mainly in waterfowl.

A

False

83
Q

Infectious bursal disease is especially sensitive to detergents.

A

False

84
Q

The most frequent sign of infectious bursal disease is lameness.

A

False

85
Q

Only attenuated live vaccines are effective against infectious bursal disease

A

False

86
Q

Several antigenic and virulence variants of infectious bursal disease virus are known.

A

True

87
Q

The infectious bursitis is usually seen in 3 to 8 weeks-old flocks.

A

True

88
Q

The most frequent sign of infectious bursal disease is lameness due to the inflammation of the subtendinal bursae.

A

False

89
Q

IBDV does not cause disease in chicken over the age of two months.

A

True

90
Q

The infectious bursitis virus is inactivated within 1-2 days in the environment.

A

False

91
Q

A frequent sign of the infectious bursitis is encephalitis.

A

False

92
Q

In Europe only low virulence strains of Infectious bursitis virus can be found.

A

False

93
Q

The infectious bursitis virus does not cause any damage in chickens under the age of two weeks

A

False

94
Q

Togaviruses cause encephalomyelitis in horses in East-Asia and in Australia only.

A

False

95
Q

Several Togaviruses are zoonotic agents.

A

True

96
Q

An early sign of Eastern encephalomyelitis is biphasic fever.

A

True

97
Q

No vaccines are available against Togaviruses.

A

False

98
Q

Mainly ticks are the vectors of Equine encephalomyelitis viruses.

A

False

99
Q

Serological cross-reactions are seen between certain encephalomyelitis viruses.

A

True

100
Q

Eastern equine encephalomyelitis virus infects only horses.

A

False

EPI (15 decks)

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