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EPI > Midterm 2 part 1 chapter I > Flashcards

Midterm 2 part 1 chapter I Flashcards

1
Q

In Europe only low virulence strains of Infectious Bursal Disease Virus (IBDV) can
be found

A

false

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2
Q

Infectious Bursal Disease is a very contagious disease

A

true

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3
Q

Pigeons are the most susceptible to IBD

A

false

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4
Q

Early IBDV infection damages the humoral immunity

A

true

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5
Q

Wild birds are involved in the transmission cycle of Eastern Equine encephalomyelitis

A

true

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6
Q

Ticks are involved in the transmission cycle of EEE

A

false

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7
Q

Viral Equine encephalomyelitis is usually diagnosed on the basis of clinical signs

A

false

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8
Q

In endemic countries vaccines are available against Equine viral encephalomyelitis

A

true

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9
Q

Flaviviruses form distinct serotypes, without serological cross-reactions

A

false

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10
Q

Tick-borne encephalitis virus can be transmitted with raw goat milk

A

true

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11
Q

Tick-borne encephalitis in mainly seen in humans

A

true

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12
Q

The principle vector of the Louping ill virus is Rhipicephalus appendiculatus

A

false

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13
Q

West Nile virus (WNV) is only present in Africa

A

false

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14
Q

Horses are the reservoir hosts of West Nile Virus

A

false

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15
Q

The weather influences the emergence of West Nile Virus outbreaks, through its effect on mosquito propagation dynamics

A

true

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16
Q

Laboratory diagnosis should confirm the aetiology of West Nile Encephalitis

A

true

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17
Q

Swine is not susceptible to the Bovine Viral Diarrhea

A

false

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18
Q

The BVD virus genotype 2 is less virulent than genotype 1

A

false

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19
Q

The BVD virus cannot be transmitted via artificial insemination

A

false

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20
Q

Intrauterine BVD virus infection always cause abortion

A

false

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21
Q

Fomites do not play a role in the transmission of the Classical Swine Fever Virus

A

false

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22
Q

Transplacental infection with CSFV may cause immunotolerance in new-born piglets

A

true

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23
Q

Swine shed CSFV only in the terminal phase of the disease

A

false

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24
Q

Europe is free from CFSV

A

false

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25
Q

Classical Swine Fever is always an acute disease with high mortality in wild boars

A

false

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26
Q

The large intestine are the earliest lesions in Classical Swine Fever

A

false

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27
Q

The diagnosis of Classical Swine Fever is based on paired serum investigations

A

false

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28
Q

Porcine circovirus 2 may cause lesions similar to Classical Swine Fever

A

true

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29
Q

Rodents are the reservoir hosts of Schmallenberg virus

A

False! Insects transmit the virus

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30
Q

In cattle Schmallenberg virus causes transient febrile disease with reduced milk production

A

true

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31
Q

Rift Valley fever virus is a zoonotic agent

A

true

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32
Q

The most frequent sign of the Nairobi sheep disease is encephalitis

A

false

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33
Q

African Swine Fever does not occur in Europe

A

false

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34
Q

African Swine Fever is a resistant virus

A

true

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35
Q

Immunocomplexes are formed in the case of African Swine Fever

A

true

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36
Q

Only activated vaccines are used for the prevention of African Swine Fever

A

false

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37
Q

Teschen disease occurs all over the world

A

false

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38
Q

Only pigs are susceptible to teschovirus encephalomyelitis

A

true

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39
Q

Teschovirus encephalomyelitis virus is transmitted by arthropods

A

false

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40
Q

There is widespread vaccination using inactivated vaccines to prevent
teschovirus encephalomyelitis

A

false

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41
Q

Encephalomyocarditis virus can infect only pigs

A

false

42
Q

Encephalomyocarditis virus remains infective in the environment

A

true

43
Q

Encephalomyocarditis virus can cause per os infection

A

true

44
Q

Encephalomyocarditis virus can infect humans

A

true

45
Q

FMD is sporadic in Europe

A

true

46
Q

Resistance of FMD virus is high, in the environment it remains infectious for weeks

A

true

47
Q

FMD virus frequently causes carditis is young animals

A

true

48
Q

Water buffalos are not susceptible for FMD

A

false

49
Q

The main signs of FMD are: fever, salivation, formation of vesicles and lameness

A

true

50
Q

Serological examinations are important in diagnosis of FMD

A

true

51
Q

In Europe vaccines must not be used for prevention of FMD

A

true

52
Q

In sheep clinical signs of FMD are very mild, it is not easy to recognize

A

true

53
Q

The Vesicular Exanthema of swine virus infects only pigs

A

false

54
Q

Cats shed the Feline calicivirus for several weeks

A

true

55
Q

Lameness and fever are possible clinical signs of Feline calicivirus infection

A

true

56
Q

Rabbits over 1 month of age become susceptible to the Rabbit Hemorrhagic Disease

A

true

57
Q

Genetic re-assortments may cause significant antigenic changes in reovirus strains

A

true

58
Q

Bluetongue outbreaks mainly occur in summer and autumn

A

true

59
Q

Goats are more resistant to the bluetongue than sheep

A

true

60
Q

In Europe vaccination of small ruminants against bluetonge is mandatory

A

false

61
Q

The African horse sickness is endemic in Europe and in the USA

A

false

62
Q

Edemas and hemorrhages are the most frequent lesions in African horse sickness

A

true

63
Q

The signs of chronic African Horse Sickness and Equine Infectious Anemia may be similar

A

true

64
Q

The Equine encephalitis virus may cause abortion

A

true

65
Q

Rotaviruses infect only mammals

A

false

66
Q

Rotaviruses are typically transmitted via the fecal-oral route

A

true

67
Q

Trypsin resistant strains of Avian orthoreoviruses freqently cause diarrhea

A

true

68
Q

Trypsin sensitive strains of avian orthoreoviruses frequently cause tenosynovitis

A

true

69
Q

The Infectious bursal disease virus (IBDV) is very resistant in the environment

A

true

70
Q

Infection of day-old chicken with IBDV may cause permanent immunosurpression

A

true

71
Q

Pathology lesions of the Infectious Bursal Disease can be similar to the Avian influenza

A

true

72
Q

Young chicken can be immunized only with inactivated IBDV vaccines

A

false

73
Q

The Eastern Equine Encephalitis is present in Japan and Korea

A

false

74
Q

Mosquitoes are the principal vectors of the Western Equine encephalititis

A

true

75
Q

No characteristic gross pathology lesions are seen in Equine encephalitis caused by Togavirus

A

true

76
Q

Eastern, Western and Venezuelan Equine encephalitis viruses are zoonotic agent

A

true

77
Q

Serological cross reactions frequently occur between related Flaviviruses

A

true

78
Q

The Tick-borne encephalitis virus can be transmitted via consumption of raw milk

A

true

79
Q

The Louping Ill is seen in rabbits in Australia

A

false

80
Q

The West Nile virus may cause encephalitis in humans and in horses

A

true

81
Q

Non-cytopathic strains of the Bovine Viral Diarrhea virus (BVDV) can cause
immunosuppression

A

true

82
Q

In utero infection with non-cytopathic BVDV can cause immunotolerance

A

true

83
Q

Mucosal Disease can develop in cattle persistently infected with BVDV

A

true

84
Q

The Border Disease is present only in the United Kingdom

A

false

85
Q

The Classical Swine Fever virus (CSFV) is a zoonotic agent

A

false

86
Q

Low virulence strains of CSFV may cause reproductive problems

A

true

87
Q

CSFV may damage the lymphatic tissues and blood vessel endothelial cells

A

true

88
Q

Swine can shed CSFV in the incubation period

A

true

89
Q

Skin suffusions and hemorrhages are signs of Classical Swine Fever

A

true

90
Q

The clinical signs of African Swine Fever and Classical Swine Fever are very different

A

false

91
Q

Contaminated pork meat can play a role in the transmission of CSFV

A

true

92
Q

Attenuated vaccines are developed for immunization of swine agains CSFV

A

true

93
Q

The Schmallenberg virus is a zoonotic agent

A

false

94
Q

The Rift Valley fever virus can cause reproductive disorders in cattle and sheep

A

true

95
Q

Necrotic hepatitis is a lesion of Rift Valley fever

A

true

96
Q

Hemorrhagic gastroenteritis is a lesion of Nairobi sheep disease

A

true

97
Q

Ticks can transmit African Swine Fever virus.

A

true

98
Q

Swine and wild boars are susceptible to African Swine Fever virus

A

true

99
Q

Warthogs can maintain African Swine Fever in endemic areas

A

true

100
Q

Attenuated vaccines are used for the prevention of African swine fever

A

false

EPI (15 decks)

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