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##Specific Virology Questions#### > pox-, hepadna-, parvo-, circo-, anello-, reo-, birna- picorna- > Flashcards

pox-, hepadna-, parvo-, circo-, anello-, reo-, birna- picorna- Flashcards

1
Q

Poxviruses

a. Are not immunogenic b. Cause nuclear inclusion bodies c. Are very sensitive in the environment d. Usually cause skin lesions

A

d. Usually cause skin lesions

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2
Q

. It is transmitted by mosquitoes

a. The monkey pox b. The myxomatosis c. The camelpox d. The swinepox

A

b. The myxomatosis

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3
Q

Within poxvirus genera cross protection can be detected

true

false

A

true

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4
Q

Within poxvirus genera cross protection can be detected

true

false

A

true

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5
Q

Orthopoxviruses are zoonotic.

true

false

A

true

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6
Q

Leporipoxviruses may be transmitted by mosquitoes

true

false

A

true

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7
Q

Sheep pox virus causes only skin lesions.

true

false

A

false

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8
Q

Which statement is false?

a. Ether inactivates the suipoxviruses. b. Ether inactivates the parapoxviruses. c. Ether inactivates the capripoxviruses. d. Ether inactivates the leporipoxvíruses

A

a. Ether inactivates the suipoxviruses

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9
Q

The Lumpy Skin Disease is caused by a capripox virus.

true

false

A

true

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10
Q

Smallpox has been eradicated from earth

a. False b. True

A

true

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11
Q

Poxviruses a. Are not immunogenic b. Usually cause skin lesions c. Are very sensitive in the environment d. Cause nuclear inclusion bodies

A

true

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12
Q

The Cowpox virus is zoonotic

T

F

A

T

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13
Q

Poxviruses can be propagated by chorioallantoic membrane inoculation.

T

F

A

T

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14
Q

Herpesvirus is the causative agent of

a. Smallpox b. Pseudocowpox c. Goatpox d. Chickenpox

A

d. Chickenpox

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15
Q

Which statement is true?

a. Parapoxviruses are good antigens b. Capripoxviruses cause notifiable disease c. Leporipoxviruses cause the appearance of oral scabs d. Avipoxviruses are zoonotic

A

b. Capripoxviruses cause notifiable disease

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16
Q

Which statement is true?

a. Molluscipoxviruses infect molluscs b. Yatapoxiviruses infect bats c. Suipoxviruses are vectored by mosquitoes d. Leporipoxviruses induce tumour formation

A

d. Leporipoxviruses induce tumour formation

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17
Q

Which statement is false?

a. The virions of poxviruses are larger than most of the other viruses of domestic animals b. The virions of poxvirions have complex symmetry c. The genome of poxviruses consists of 3 segments d. Poxviruses replicate in the cytoplasm

A

c. The genome of poxviruses consists of 3 segments

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18
Q

. It is transmitted by mosquitoes a. The monkey pox b. The myxomatosis c. The camelpox d. The swinepox

A

b. The myxomatosis

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19
Q

Hepadnaviruses have weak resistance in the environment.

a. True b. False

A

true

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20
Q

Hepadnaviruses

a. Infect only birds b. Are arboviruses c. Use reverse transciptase for replication d. Cause haemorrhagic nephritis

A

c. Use reverse transciptase for replication

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21
Q

Parvoviruses

a. Contain double-stranded RNA type nucleic acid b. Use viral transcriptase enzyme for their multiplication c. Cannot be propagated in tissue culture d. May cause abortion

A

d. May cause abortion

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22
Q

Parvo- and circoviruses cannot be propagated in vitro.

a. True b. False

A

b. False

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23
Q

Parvo- and circoviruses

a. cause infection through skin lesions. b. have +ssRNA genome. c. have good resistance to the environment. d. use viral transcriptase for their multiplication.

A

c. have good resistance to the environment.

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24
Q

It is caused by parvovirus infection: a. Rabbit haemorrhagic disease b. Aleutian mink disease c. Chicken nephritis d. Infectious bursitis of chicken

A

b. Aleutian mink disease

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25
Q

Parvoviruses may cause gastrointestinal diseases.

T

F

A

T

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26
Q

The parvoviruses can be detected by haemagglutination test.

T

F

A

T

27
Q

Parvoviruses cause intranuclear inclusion bodies.

T

F

A

T

28
Q

What is the given name for Goose Disease?

A

Goose Parvovirus (derzsys disease)

29
Q

Circoviruses cause abortion in swine

a. True b. False

A

false

30
Q

Circoviruses

a. Are good antigens b. Are inactivated quickly in an acidic environment c. Have a wide host range d. Are enveloped

A

a. Are good antigens

31
Q

Circovirus infection of swine may cause haemorrhages in the skin

a. True b. False

A

a. True

32
Q

Parvo- and circoviruses cannot be propagated in vitro.

a. True b. False

A

a. True

33
Q

Parvo- and circoviruses

a. cause infection through skin lesions. b. have +ssRNA genome. c. have good resistance to the environment. d. use viral transcriptase for their multiplication.

A

c. have good resistance to the environment.

34
Q
  1. Anelloviruses
    a. Are enveloped b. Are inactivated quickly in an acidic environment c. Are weak antigens d. Can cause germinative infection
A

d. Can cause germinative infection

35
Q

Anelloviruses

a. Cause the deformation of the beak and feather in parrots b. Cause pneumonia in horses c. Are euryxen pathogens d. Cause anaemia in chicken

A

d. Cause anaemia in chicken

36
Q

. Please, mark, which statement is true.

a. Certain anelloviruses may cause apathogenic infection b. Anelloviruses contain circular DNA c. Anelloviruses are euryxen pathogens d. Anelloviruses cause anaemia in swine

A

b. Anelloviruses contain circular DNA

37
Q

Which is not a reovirus?

a. African horse sickness virus b. Ibaraki disease virus c. Bluetongue virus d. Gumboro disease virus

A

d. Gumboro disease virus

38
Q

It is a member of reovirdae virus family:

a. Duck plague virus b. African horse sickness virus c. African swine fever virus d. Peste des petitis ruminants

A

b. African horse sickness virus

39
Q

Reo- and birnaviruses

a. have a segmented genome. b. are enveloped. c. have binal symmetry. d. use cellular transcriptase for the multiplication.

A

a. have a segmented genome

40
Q

Some reoviruses are transmitted by insect vectors.

a. True b. False

A

a. True

41
Q

The host range of Orthoreoviruses is euryxen

a. True b. False

A

a. True

42
Q

. Which statement is true?

a. Reoviruses are enveloped b. Among reoviridae family only rotaviruses can be propagated in vitro c. Reoviruses usually cause diarrhoea d. Reoviruses have double capsid

A

d. Reoviruses have double capsid

43
Q

Orthoreo- and rotaviruses have strong resistance to the environmental conditions

T

F

A

T

44
Q

Orbi- and coltiviruses have strong resistance to the environmental conditions

T

F

A

F

45
Q

African Horse Sickness is caused by which virus?

A

Orbivirus (Sedoreovirinae

46
Q

Which is true?

a. Orthoreo- and rotaviruses are transmitted by ticks b. Orbi- and coltiviruses cause iral infections c. Orthoreo- and rotaviruses have strong resistance to the environmental conditions d. Orbi- and coltiviruses have strong resistance to the environmental conditions

A

c. Orthoreo- and rotaviruses have strong resistance to the environmental conditions

47
Q

Avibirnaviruses cause tenosynovitis in birds.

T

F

A

False

48
Q

Aquabirnaviruses cause disease in waterfowl

T

F

A

F

49
Q

Birnaviruses a

. Are enveloped b. Contain diploid RNA type nucleic acid c. Cause immunosuppression in chicken d. Have low resistance in the environment

A

Cause immunosuppression in chicken

50
Q
A
51
Q

Some birnaviruses can cause disease in fish.

a. True b. False

A

a. True

52
Q

Birnaviruses

a. Have single-stranded DNA genome b. Are causing reproductive problems in cattle c. Are euryxen viruses d. Have strong resistance in the environment

A

d. Have strong resistance in the environment

53
Q

How is the transmission of Birnaviridae?

A

By contact.

54
Q

Genera of the Picornaviridae are?

A

Entero-, Aptho-, Erbo-, Avihepato-, Hepato-, Cardio-, Tescho-, Tremo-, Parecho-, Kobu-.

55
Q

Picornaviruses use reverse transcriptase enzyme for their multiplication.

a. False b. True

A

false

56
Q

Picorna- and caliciviruses

a. are usually euryxen. b. are good antigens. c. are usually less resistant in the environment. d. have a dsRNA genome.

A

b. are good antigens

57
Q

. In the Picornavirales order, we can find honeybee pathogen viruses.

a. True b. False

A

true

58
Q

. Picornaviruses

a. Can be detected by haemagglutination test b. Have quasihelical symmetry c. Express their viral proteins via subgenomial mRNA synthesis d. Have strong environmental resistance

A

c. Express their viral proteins via subgenomial mRNA synthesi

59
Q

. Picoronaviruses use their genome as Mrna

a. True b. False

A

a. True

60
Q

Which statement is false?

a. Enteroviruses cause disease exclusively in human. b. Teschoviruses infect swine c. Aphtoviruses have euryxen host range d. Rhinoviruses are thermosensitive mutants

A

a. Enteroviruses cause disease exclusively in human.

61
Q

Enteroviruses may cause CNS signs

T

F

A
62
Q

Which statement is false?

a. SVD clinical signs are similar to FMD b. Tremoviruses cause disease in young chickens c. Kobuviruses cause hepatitis in ducks d. FMD virus has several serotypes

A

c. Kobuviruses cause hepatitis in ducks

63
Q

The duck hepatitis A (1) is a notifiable disease

a. False b. True

A

b. True

##Specific Virology Questions#### (6 decks)

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