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Epi midterm 1 > Epi midterm 1-from top part 5 > Flashcards

Epi midterm 1-from top part 5 Flashcards

1
Q

Bovine adenoviruses usually cause disease in calves.

A

true

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2
Q

Crowded keeping conditions may facilitate the spread of adenoviruses in a population.

A

true

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3
Q

Marble Spleen Disease virus causes lymphatic tumors in geese.

A

false

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4
Q

The Egg Drop Syndrome virus causes hepatitis and hydropericardium in young geese.

A

false

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5
Q

Herpesvirus usually causes latent infection and life-long virus carriers.

A

true

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6
Q

Infectious Bovine Rhinotracheitis virus (IBRV) can be transmitted through vectors.

A

false

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7
Q

Pregnant cows should be immunized against IBRV only with inactivated vaccine.

A

false

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8
Q

Swine are the reservoir host of the Malignant Catarrhal Fever virus

A

false

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9
Q

Rodents are the natural hosts of the Aujeszky’s disease virus

A

false

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10
Q

In adult swine, the most frequent manifestation of Aujeszky’s disease is encephalitis.

A

false

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11
Q

Dogs should be vaccinated against Aujeszky’s disease virus yearly

A

false

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12
Q

Swine Inclusion Body Rhinitis is usually seen in piglets

A

true

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13
Q

Pregnant mares abort usually several weeks after Equine herpesvirus-1 infection

A

true

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14
Q

Only pregnant mares should be immunized against Equine herpesvirus-1 infection

A

false

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15
Q

Equine herpesvirus-2 and 5 causes pustular vulvovaginitis.

A

false

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16
Q

Coital Exanthema virus does not cause abortion

A

true

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17
Q

Canine herpesvirus-1 may cause generalized infection and severe disease in young puppies.

A

true

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18
Q

Inactivated vaccines are available for immunization against Canine herpesvirus-1.

A

true

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19
Q

Feline herpesvirus-1 is mainly transmitted by mosquitoes.

A

false

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20
Q

Conjunctivitis is a frequent sign of Feline Infectious Rhinotracheitis

A

true

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21
Q

Liver dystrophy is a frequent lesion in Duck Viral Enteritis.

A

true

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22
Q

Tracheal lesions of Infectious Laryngotracheitis may be similar to those of Fowl pox.

A

true

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23
Q

The Marek’s disease virus may survive in the environment for several months

A

true

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24
Q

Free virions of the Marek’s disease virus are formed in the feather follicle epithelial cells

A

true

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25
Q

Poxviruses never cause viraemia and generalized infection

A

false

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26
Q

Poxviruses can cause cytoplasmic inclusion bodies.

A

true

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27
Q

Orthopox viruses are strong antigens.

A

true

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28
Q

Parapoxviruses are strong antigens.

A

false

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29
Q

Certain rodents are reservoir hosts of Cowpox virus.

A

true

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30
Q

Skin lesions may be seen in cats after Cowpox virus infection.

A

true

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31
Q

Bovine Papular Stomatitis virus causes vesicles in the oral cavity and hoofs of cattle.

A

false

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32
Q

Virulent virus vaccines may be used for immunization against Contagious Pustular Dermatitis of sheep (Orf).

A

true

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33
Q

Sheep – and goat pox are enzootic in Europe.

A

false

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34
Q

Sheep pox is deadly for young susceptible lambs.

A

true

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35
Q

Lumpy skin disease virus is mostly transmitted by insects.

A

true

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36
Q

Swine pox virus frequently causes interstitial pneumonia.

A

false

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37
Q

Myxomatosis is typically seasonal.

A

true

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38
Q

Attenuated vaccines are available against Myxomatosis.

A

true

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39
Q

Fowl pox is zoonotic.

A

false

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40
Q

Only inactivated vaccines can be used for prevention against fowl pox.

A

false

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41
Q

Polymerase chain reaction is used for the detection of antigens of the agent.

A

false

42
Q

Post mortem lesions help in setting up a preliminary diagnosis.

A

true

43
Q

Epidemiological data help in setting up a preliminary diagnosis.

A

true

44
Q

Microscopic examination of samples is not used in the diagnosis of infectious diseases any more.

A

false

45
Q

Antibiotics are generally used to the actiological treatment of diseases caused by bacteria.

A

true

46
Q

Use of antibiotics in the case of diseases caused by viruses is not allowed because of antibiotic resistance.

A

false

47
Q

Treatment of certain infectious diseases is prohibited.

A

true

48
Q

Symptomatic treatment is recommended because it can support healing of the diseased animals.

A

true

49
Q

”All-in-all-out” principle is a general epidemiological rule.

A

true

50
Q

Isolated keeping of different animal species can prevent the spreading of infectious diseases.

A

true

51
Q

Isolated keeping of different age groups of the same species cannot prevent spreading of infectious diseases since all animals of the same species are susceptible to the same agents.

A

false

52
Q

Day-old birds cannot be infected in the hatchery because they are protected by yolk Immunity.

A

false

53
Q

Test and slaughter as an eradication method can be used in case of low level of infection.

A

true

54
Q

There is no agent which can be eradicated by antibiotic treatment.

A

true

55
Q

In the case of generation shift newborn animals have to be kept isolated from the parent animals

A

true

56
Q

In the case of herd replacement, the herd is replaced with infection-free animals.

A

true

57
Q

Resistance of Circoviruses is very high, in the environment they remain infectious for months.

A

true

58
Q

Avian circoviruses can infect many poultry species.

A

true

59
Q

Incubation period of porcine circovirus disease is short, some days.

A

false

60
Q

Avian circoviruses can cause retarded growth and immunosuppression.

A

true

61
Q

Circoviruses can be cultured easily in many cell lines.

A

false

62
Q

Porcine circovirus-2 causes clinical signs mainly after weaning.

A

true

63
Q

For prevention of Chicken Infectious Anemia, live (attenuated) vaccines are available

A

true

64
Q

Avian circoviruses can spread via breeder eggs.

A

true

65
Q

Parvoviruses multiplicate only in rapidly dividing cells

A

true

66
Q

Porcine parvovirus frequently causes diarrhea in piglets.

A

false

67
Q

Aleutian Mink Disease is due to immunocomplex formation.

A

true

68
Q

Cat panleukopenia virus can cause disease also in Mustelidae species.

A

true

69
Q

Papillomaviruses can be cultured in epithelial cell lines.

A

false

70
Q

Goose polyomavirus caused disease clinically appears in young animals.

A

true

71
Q

Papillomaviruses cause warts in the skin and mucous membranes.

A

true

72
Q

Polyomaviruses can cause neoplasm in rodents.

A

true

73
Q

Resistance of Parvoviruses is high, in the environment they remain infectious for months

A

true

74
Q

Cat panleukopenia virus can cause abortion in pregnant cats.

A

true

75
Q

For prevention of Derzsy’s disease both live and inactivated vaccines are used.

A

true

76
Q

For prevention of Porcine parvovirus caused fetal damages, live vaccines are available.

A

true

77
Q

Adenoviruses are zoonotic agents.

A

false

78
Q

Serological cross-reactions may be seen between adenoviruses within the same genus

A

true

79
Q

The Canine adenovirus-1 can cause disease only in dogs.

A

false

80
Q

Canine adenovirus-2 frequently causes abortion in dogs.

A

false

81
Q

Colostrum uptake may influence the resistance of calves to Adenoviral pneumoenteritis.

A

true

82
Q

Bovine adenoviruses may damage kidney tubular cells.

A

true

83
Q

Avian adenoviruses may cause hepatitis in chicken.

A

true

84
Q

Egg Drop Syndrome virus causes cloaca paralysis

A

false

85
Q

Herpesviruses are sensitive to detergents.

A

true

86
Q

Herpesviruses are generally weak antigens.

A

true

87
Q

The Infectious Bovine Rhinotracheitis virus (IBRV) causes hemorrhagic gastroenteritis.

A

false

88
Q

Marker vaccines can be used in IBRV eradication programs in cattle farms.

A

true

89
Q

Bovine Herpes Mammillitis virus may cause lesions on the lips of milking calves.

A

true

90
Q

Malignant Catarrhal Fever can be seen only in calves younger than one month.

A

false

91
Q

Sheep should be immunized against Malignant Catarrhal Fever virus.

A

false

92
Q

The Aujeszky’s disease virus may infect multiple mammalian hosts.

A

true

93
Q

The Aujeszky’s disease is a zoonosis.

A

false

94
Q

Abortion of sows can be a sign of Aujeszky’s disease.

A

true

95
Q

The Aujeszky’s disease in cats is usually a mild respiratory disease with quick recovery.

A

false

96
Q

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

A

true

97
Q

A single vaccination against Equid herpesvirus-1 provides life-long protection.

A

false

98
Q

Equid herpesvirus-5 may play a role in the Equine Multinodular Pulmonary Fibrosis.

A

true

99
Q

Upper respiratory infection of Canid herpesvirus-1 may contribute to the kennel cough syndrome.

A

true

100
Q

Liver lesions are frequently seen in puppies with Canid herpesvirus-1 infection

A

true

Epi midterm 1 (6 decks)

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