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Virology > Past Questions > Flashcards

Past Questions Flashcards

1
Q

Polyomavirus causes latent infections

(T/F)

A

False

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2
Q

Adenovirus causes enteritis in mammals/birds

(T/F)

A

False

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3
Q

Describe the morphology of the adenovirus

A
  • Linear dsDNA virus
  • Icosahedral capsid
  • Non-enveloped
  • Replicates in the nucleus
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4
Q

What type of virus is Varicellovirus?

A

Herpesvirus

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5
Q

Poxvirus causes skin lesions

(T/F)

A

True

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6
Q

Capripox causes skin lesions

(T/F)

A

True

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7
Q

What type of virus is Hepadnaviridae?

A

DNA virus

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8
Q

Describe the morphology of circoviridae

A
  • Circular dsDNA virus
  • Icosahedral capsid
  • Non-enveloped
  • Replicates in the nucleus
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9
Q

Parvo causes enteritis

(T/F)

A

True

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10
Q

How is Birnaviridae transmitted?

A

Contact

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11
Q

Rotavirus causes neonatal enteritis

(T/F)

A

True

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12
Q

What is the host of Teschovirus

A

Pigs

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13
Q

What does parechovirus cause?

A

Enteritis

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14
Q

Avastrovirus causes what in chickens?

A

Nephritis

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15
Q

Dicistroviridae is a virus of honey bees

(T/F)

A

True

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16
Q

How is rabbit haemorrhagic disease transmitted?

A

Contact

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17
Q

Border disease causes abortion in sheep

(T/F)

A

True

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18
Q

Arteriviridae affects stallions

(T/F)

A

True

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19
Q

The host of avian influenza virus

A

Wild water birds

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20
Q

The surface protein of influenza

A

Hemaglutinin

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21
Q

Parainfluenza virus 3 infects…

A

Cattle + Sheep - “Shipping Fever”

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22
Q

What type of virus is Canine distemper virus?

A

Morbillivirus (Paramyxoviridae)

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23
Q

Cowpox/pseudocowpox is zoonotic

(T/F)

A

True

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24
Q

Herpesvirus is an arbovirus

(T/F)

A

False

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25
Q

What does herpesvirus cause?

A

Lesions (Oral/genital)

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26
Q

How is Ephemerovirus transmitted?

A

Mosquitos

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27
Q

Nairovirus is an arthropod virus

(T/F)

A

True

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28
Q

What lesions does a Retrovirus cause?

A

Lesions in the skin and brain

(Sarcoma, carcinoma, leukemia tumours)

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29
Q

TSE (transmissible spongiform encephalopathies) affects mainly cattle/mink/cats

(T/F)

A

True

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30
Q

Prions are resistant to proteases

(T/F)

A

True

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31
Q

Name of TSEs in sheep

A

Scrapie

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32
Q

African horse sickness is caused by which virus

A

Orbivirus

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33
Q

Genera of the picornaviridae are…

A
  • Entero-;
  • Aptho-;
  • Avihepato-;
  • Hepato-;
  • Cardio-;
  • Tescho-;
  • Tremo-;
  • Parecho-;
  • Kobu- virus
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34
Q

Choose the correct answer

Alphaviruses:

  1. Transmitted by ticks
  2. May be zoonotic
  3. Only present in America
  4. No cross reaction
A
  1. May be zoonotic
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35
Q

Torovirus can cause…

A
  • Berne virus
  • Breda virus
  • Chicken, swine and human gastroenteritis
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36
Q

Reservoir host of mammastrovirus

A

Humans, mammals, vertebrates

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37
Q

Choose the correct answer

Human and bovine pathogen viruses are found in the…

  1. Alpha
  2. Beta
  3. Gamma
A

Alpha

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38
Q

Prion pathogens do not contain…

A

Nucleic acid (proteins)

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39
Q

Lesions caused by Pox on CAM embryonic egg are called

A

Pock lesions

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40
Q

Which disease was recently eradicated from Earth?

A

Small pox & Rinderpest

41
Q

Kidney lesions in chicken are caused by…

A

Avastrovirus

42
Q

Prions cause what in sheep?

A

Scrapie

43
Q

How are airborne viruses contracted?

A

Breathed in through the respiratory tract

44
Q

The host of hantavirus

A

Rodents

45
Q

What is the given name for goose disease?

A

Goose parvovirus (Derzsy’s disease)

46
Q

Adeno- & orthomyxovirus - Name the disease for calves

A

Pneumoenteritis

47
Q

What does Aujesky Disease cause in canines?

A

Lethal CNS disease, like rabies

48
Q

Immunosuppression: true/false

  • Leukemia
  • Lymphocytes
  • Enterocytes
  • Encephalomyelitis
A
  • Leukemia: True
  • Lymphocytes: False
  • Enterocytes: True
  • Encephalomyelitis: True
49
Q

What virus is propagated in the Chorioallantoin?

A

Pox and herpesvirus

50
Q

Polyomavirus can cause persistent infections in kidney cells

(T/F)

A

True

51
Q

Papillomavirus often cause encephalitis and diarrhoea in swine

(T/F)

A

False

52
Q

Serological cross-reactions may occur between adenovirus species within the same genus

(T/F)

A

True

53
Q

Atadenoviruses may cause disease in birds

(T/F)

A

True

54
Q

Give the correct answer

Aujesky’s disease is caused by the:

  1. Suid herpesvirus type 1
  2. Canid herpesvirus type 2
  3. Porcine parvovirus type 1
  4. Porcine circovirus type 2
A

Suid herpesvirus type 1

55
Q

Which virus family contains viruses with positive sense, single-stranded RNA genome and helical capsid?

A

Coronaviridae

56
Q

What virus causes abortions?

A
  • Varicellovirus
  • Arteritis virus
  • Phlebovirus
  • Orbivirus
  • Nairovirus
57
Q

What disease is caused in hens by astrovirus

A

Chicken astrovirus (White chicks condition)

58
Q

Which virus families causes haemorrhage?

A
  • Calciviridae
  • Parvoviridae
  • Circoviridae
  • Asfivirus
  • Orbivirus
  • Nairovirus
  • Arenaviridae
  • Paramyxovirus
  • Filovirus
59
Q

Disease in hens caused by the atadenovirus

A

Egg drop syndrome

60
Q

Which virus families cause skin lesions

A
  • Papillomaviridae
  • Polyomaviridae
61
Q

What is the family of the distemper virus?

A

Paramyxoviridae

62
Q

Parvo in the environment

A
  • Fecal matter
  • Can survive on surfaces
63
Q

Describe the orthobunyavirus

A
  • Segmented Circular ssRNA genome
  • Helical capsid
  • Enveloped
64
Q

Prions in sheep

A

Agents of transmissible spongiform encephalitis and cause scrapie in sheep

65
Q

Tick vectors

A
  • Colorado tick fever
  • Lyme disease
  • Hepatazoonosis
66
Q

Reservoir host for mamarenavirus

A

Pet hamsters, mice, rodents

67
Q

Role of VtRt in hepadnaviridae

A

Replication

68
Q

What is the name of the lesion seen on the choric-allantoic membrane of an embryonated 
turkey egg, infected with proxvirus?

A

Pock

69
Q

Oseltamivir and zanamivir block:

A

Tamiflu and Zanamivir neuraminidase inhibiotrs against influenza.

70
Q

Papilloma viruses are usually…

A

Stenoxenous

71
Q

Alpha herpes virus cause…

A

Latency in ganglionic nerve cells

72
Q

Orthopox viruses cause…

A

Cowpox virus

73
Q

Beak + feather disease viruses have what effect?

A

Immunosuppressive

74
Q

Orthoreoviruses cause…

A

Tenosynovitis in birds

75
Q

Alpha viruses are … agents

A

Zoonotic

76
Q

Torovirus

A

Foals & Calves

  • Stomach inflammation
  • Enteritis
77
Q

Ebola virus causes…

A

Bleeding + fever in humans

78
Q

Viruses affecting humans and cattle

A

Deltaretrovirus

79
Q

Bacteriophages can be used for…

A

Bacteriological diagnostic tests

80
Q

Prion proteins are usually spread…

A

Orally

81
Q

Kidney failure cause in chickens

A

Gammacoronavirus

82
Q

In horses, it causes a slowly-developing infection

A

Infective anaemia

83
Q

(T/F)

Immunosuppression in cats:

  • Panleukopenia virus

  • Peritonitis virus infecting cats
  • Feline leukaemia virus

  • The infectious bursitis virus 

  • Newcastle disease virus
A
  • Panleukopenia virus
 - False
  • Peritonitis virus infecting cats - True
  • Feline leukaemia virus
 - True
  • The infectious bursitis virus 
- False
  • Newcastle disease virus - False
84
Q

(T/F)

Causes human rubeola:

  • Sheep adenocarcinoma virus adenovirus
  • Diarrhoea-causing enterovirus in cattle
A
  • Sheep adenocarcinoma virus adenovirus - False
  • Diarrhoea-causing enterovirus in cattle - True
85
Q

(T/F)

Causes abortion, respiratory & CNS symptoms:

  • Herpresmamillitis virus
  • Cattle affecting infectious rhinotracheitis virus
  • Equine rhinopneumonitis virus
  • Aujeszky-disease virus
A
  • Herpresmamillitis virus - False
  • Cattle affecting infectious rhinotracheitis virus - True
  • Equine rhinopneumonitis virus - True
  • Aujeszky-disease virus - True
86
Q

(T/F)

Small mammals are the hosts of:

  • Mammalian bornavirus
  • Mammaerenavirus
  • Mamastrovirus
  • Hantavirus
A
  • Mammalian bornavirus - True
  • Mammaerenavirus - True
  • Mammastrovirus - False
  • Hantavirus - True
87
Q

Which animal suffers mouth pain as a result of Aujesky’s disease?

A

Sheep

88
Q

Illness caused by rhinovirus

A

Rhinitis

89
Q

In which species is border disease found?

A

Sheep

90
Q

Which virus causes persistent infections in the sexual organs/tracts?

A

Arterovirus

91
Q

Which virus causes glandular stomach disease in parrots?

A

Bornavirus

92
Q

What vectors spread rabbit haemorrhage fever? 


A

Contact/fomites

93
Q

Viruses affecting bees

A
  • Dicistroviridae
  • Iflaviridae
94
Q

Viruses causing encephalitis in horses

A
  • Togaviridae
  • Flaviviridae
95
Q

Paramyxoviridae + Paramyxovirinae - Henipavirus:

A

Hendra virus

96
Q

Bornaviridae causes…

A

Bornean sickness

97
Q

(T/F)

All bunyaviridae are arbo viruses…

A

False (not Hantavirus)

98
Q

Does border disease cause abortion in sheep?

A

Yes

99
Q

What form does herpes latency appear as in the nucleus? 


A

Episome

Virology (32 decks)

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