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EPI > Midterm 2 part 1 chapter II > Flashcards

Midterm 2 part 1 chapter II Flashcards

1
Q

Swine Vesicular Disease virus can infect swine and ruminants

A

false

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2
Q

Swine Vesicular Disease virus can cause infection per os

A

true

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3
Q

Swine Vesicular Disease virus does not cause viraemia, only local lesions can be seen

A

false

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4
Q

Swine Vesicular Disease virus can infect humans

A

True !

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5
Q

Duck hepatitis A virus is shed in the feces

A

true

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6
Q

Duck hepatitis A virus can cause germinative infection

A

false

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7
Q

Clinical signs of duck hepatitis can be seen mainly in laying ducks

A

false

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8
Q

Duck hepatitis A virus can be detected with PCR

A

true

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9
Q

For Europe Middle-East, Africa and Asia are the main danger to introduce FMD

A

true

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10
Q

In young animal FMD virus frequently causes myocarditis

A

true

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11
Q

FMD virus is highly contagious, spreads rapidly

A

true

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12
Q

In endemically infected countries vaccines are also used in prevention of FMD

A

true

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13
Q

O and A serotypes of FMD are mostly widespread in the world

A

true

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14
Q

In sheep clinical signs of FMD are very mild

A

true

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15
Q

The resistance of FMD virus is rather low, in the environment it is inactivated within days

A

false

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16
Q

About half of the countries of the world are presently infected with FMD

A

true

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17
Q

Clinical signs of the Vesicular Exanthema of swine can be similar to the Foot and Mouth disease

A

true

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18
Q

Oral erosions are signs of Feline calicivirus infection

A

true

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19
Q

Virulent strains of the Feline calicivirus can cause systemic disease with mortality

A

true

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20
Q

The Rabbit Hemorrhagic Disease is present only in Australia

A

false

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21
Q

Reoviruses are sensitive to lipid solvents and detergents

A

false

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22
Q

The Bluetongue virus is vectored by midges/gnats

A

true

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23
Q

Lameness and abortions are signs of Bluetongue

A

true

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24
Q

The Epizootic Hemorrhagic Disease is present in the USA in deer

A

true

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25
Q

The natural reservoirs of the African Horse Sickness virus are mainly zebras

A

true

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26
Q

Encephalitis is the most frequent sign of the African Horse Sickness

A

false

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27
Q

Rotaviruses are shed in the feces in high titers

A

true

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28
Q

Rotaviruses usually cause enteritis in young (1-2 weeks old)

A

true

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29
Q

Orthoreoviruses can cause pneumoenteritis in calves

A

true

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30
Q

Horses usually develop lethal hemorrhagic enteritis in Orthoreovirus

A

false

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31
Q

Infection of adult birds with Orthoreoviruses usually remains subclinical

A

true

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32
Q

Avian orthoreoviruses can cause necrotic and inflammatory foci in visceral organs

A

true

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33
Q

Very virulent strains of the Infectious Bursal Disease virus (IBDV) may cause disease in chicken with maternally derived antibodies too

A

true

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34
Q

IBDV does not cause disease in adult chicken (over 2 months of age)

A

true

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35
Q

Fever, diarrhea and anemia are signs of the Infectious Bursal disease

A

true

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36
Q

Vaccines provide high level of protection against all IBDV

A

false

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37
Q

African Swine Fever virus has low resistance

A

false

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38
Q

African Swine Fever virus can infect pigs and wild boars

A

true

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39
Q

The clinical signs of African Swine Fever are more severe in wild boars than in farmed pigs

A

false

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40
Q

There is a widespread vaccination in endemic areas to prevent African Swine Fever

A

false

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41
Q

Talfan disease occurs in Europe, Australia and America

A

true

42
Q

Pigs and ruminants are susceptible to the agent of Talfan disease

A

false

43
Q

The agent of Talfan disease replicates in the gut

A

true

44
Q

The agent of Talfan disease is shed lifelong after infections

A

false

45
Q

Germinative infection is the primary way of infection with Duck hepatitis A Virus

A

false

46
Q

Clinical signs of Duck hepatitis are seen in 1-4 week old ducklings

A

true

47
Q

Spasmodical paddling is a typical sign of Duck hepatit

A

true

48
Q

There are no vaccines for the prevention of Duck hepatitis

A

false

49
Q

Resistance of FMD virus is low, in the environment, they are inactivated within days

A

false

50
Q

FMD virus can get into Europe most easily from Turkey, Middle East and North-Africa

A

true

51
Q

FMD virus can cause severe myocarditis in young calves and piglets

A

true

52
Q

In infected countries inactivated vaccine are also used for prevention of FMDS

A

true

53
Q

Clinical signs of FMD in sheep are very mild

A

true

54
Q

Pigs shed large amount of FMD virus with their saliva during the acute phase of the disease

A

true

55
Q

O and A type of FMD viruses are most widely distributed

A

true

56
Q

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

A

true

57
Q

Cat queens frequently abort in the acute phase of Feline calicivirus

A

false

58
Q

Some variants of Feline calicivirus may escape vaccine induced protection

A

true

59
Q

Rabbit Hemorrhagic Disease virus usually causes death in 1-3 weeks old rabbits

A

false

60
Q

There are no vaccines available against Rabbit Hemorrhagic Disease

A

false

61
Q

Bluetongue is present only in tropic areas

A

false

62
Q

Bluetongue virus is typically vectored by ticks

A

false

63
Q

Endothelial damages are the most important causes of the clinical signs of Bluetongue

A

true

64
Q

Sheep are less sensitive to Blutongue than swine

A

false

65
Q

Epizootic hemorrhagic disease was described only in Australia so far

A

false

66
Q

Occasionally carnivores may get infected with African Horse Sickness virus

A

true

67
Q

Zebras are more resistant to African Horse Sickness virus than horses

A

true

68
Q

Immunized horses may develop a chronic, febrile form of the African Horse Sickness

A

true

69
Q

Rotaviruses infect only mammalian hosts

A

false

70
Q

Avian orthoreoviruses usually cause disease in adult birds

A

false

71
Q

Tenosynovitis is one of the most typical manifestations of Avian orthoreovirus infections

A

true

72
Q

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

A

true

73
Q

The Infectious Bursal Disease virus (IBDV) is very sensitive to detergents

A

false

74
Q

IBDV serotype 2 is used for immunization of chicken against Infectious Bursal Disease

A

false

75
Q

Clinical manifestations of infectious bursal disease are seen mainly in chickens between the age of 3 and 6 weeks

A

true

76
Q

Moderately attenuated (“hot”) IBDV vaccines are used for the immunization of young chicken without yolk immunity

A

false

77
Q

All known strains of the Classical Swine Fever virus are of highly virulence

A

false

78
Q

CSFV may cause reproductive disorders

A

true

79
Q

Hemorrhages are the most typical lesions of acute Classical Swine Fever

A

true

80
Q

The Classical Swine Fever may appear in a milder form in wild boar than in domestic swine

A

true

81
Q

CSFV may survive in frozen meat for months

A

true

82
Q

Shedding of CSFV begins 1 to 2 days after the appearance of clinical signs

A

false

83
Q

CSFV can cause central nervous signs only in suckling piglets

A

false

84
Q

Erysipelas and Porcine circovirus 2 infections may cause clinical signs and pathology
lesions similar to Classical Swine Fever

A

true

85
Q

Abortions and fetal malformations are the most typical signs of Akabane disease

A

true

86
Q

The acute signs of Schmallenberg virus infection in cattle are fever and reduced milk production

A

true

87
Q

Certain European mosquito species are competent vectors of Rift Valley fever virus

A

true

88
Q

Rift Valley fever may cause high lethality in young ruminants

A

true

89
Q

In Europe the ticks are the most important means in the transmission of the ASF virus

A

false

90
Q

In case of ASF infection viremia can last for months

A

true

91
Q

Infection by moderately virulent ASF virus results in high mortality of sow

A

true

92
Q

In acute ASF the leading pathological lesion is haemorrhage

A

true

93
Q

FMD virus can be transferred by frozen meat

A

true

94
Q

FMD virus cannot be isolated in cell culture

A

false

95
Q

FMD virus is genetically and serologically uniform

A

false

96
Q

The main reservoirs of FMD virus are cattle and buffalo

A

true

97
Q

FMD virus is carried in the tonsils, lymphatic tissues and hoof of the infected animal

A

true

98
Q

FMD erosions are characteristic with tattered edge and red base

A

true

99
Q

FMD infection in young animals leads to myocarditis

A

true

100
Q

Vaccination against FMD can prevent the infection

A

true? (only in endemic countries, in other countries slaughter of all animals, and burning of carcass)

EPI (15 decks)

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