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Virology exam > Past questions > Flashcards

Past questions Flashcards

1
Q

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

A

Pock

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2
Q

The nutritional component of calf foetus

A

Stimulates cell division

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3
Q

Affinity chromatography viral purification method

A

Virus specific antibodies used

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4
Q

Virus capsid surface proteins

A

Are called capsomeres

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5
Q

Real time polymerase chain-reaction

A

Determines the amount of DNA tested in the sample

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6
Q

Polyacrylamide gel electrophoresis determines

A

The virus amount and size (molecular weight)

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7
Q

Cells attached to viruses

A

Haemagglutinate, cause haemagglutination inhibition, cause haemadsoprtion, directly spread from one cell to another by cell fusion

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8
Q

RNA-dependent RNA-polymerase enzyme found

A

Negative direction, in single-stranded RNA genome virus virions

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9
Q

Mutations

A

Can happen during viral eclipse

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10
Q

Offspring viruses cannot form in the infected cells of

A

Latent infections

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11
Q

During tolerated infections

A

There is no immune response against the virus

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12
Q

Orphan viruses

A

Do not cause illnesses

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13
Q

Indirect virus detection method

A

Plaque reduction probe

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14
Q

The haemagglutination inhibiting titer

A

The highest whey (serum) dilution where we do not see haemaggluttination

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15
Q

A changing viruses’ continuous whey

A

We create a virus dilution line, and with every dilution we add the same amount of whey (serum)

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16
Q

Oseltamivir and zanamivir block

A

Influenza A virus neutralisation

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17
Q

In young animals, the mothers antibodies

A

block the active immunodeficiency of the vaccine

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18
Q

Experimental animals can be used to spread viruses for …

1. Diagnostic purposes
2. Vaccine production
3. Vaccine control/checks
4. Cell line production
A
  1. Yes
  2. Yes
  3. Yes
  4. No
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19
Q

With Cell culture passage

1. We can keep up/maintain breeding
2. We can increase the quantity of cell breeding/cultures
3. We can remove contaminated viruses
4. We can remove tumour cells
A
  1. Yes
  2. Yes
  3. No
  4. No
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20
Q

The polymerase chain-reaction contains

1. Sample (virus) DNA
2. Temperature resistant (Taq) DNA polymerase
3. Virus-specific oligonucleotide primers
4. Virus-specific monoclonal antibodies
A
  1. Yes
  2. Yes
  3. Yes
  4. No
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21
Q

Disinfectants

    1. Always damage the viral nucleic acid
2. Only act against enveloped viruses
3. Can be used in the environment or outer/external cover
4. Occasionally toxic or corrosive
A
  1. No
  2. No
  3. Yes
  4. Yes
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22
Q

Acridine orange turns the single-stranded nucleic acid orange/red

A

True

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23
Q

With polymerase chain-reaction we can determine the infective titer of the virus

A

False

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24
Q

With the virus neutralisation test we can separate the maternal and vaccine-induced antibodies

A

False

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25
Q

With the haemagglutination inhibition test, we can show the African swine fever antibodies

A

False

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26
Q

What can we call the process where the cell division of cells of ectopic tissues are inhibited during contact?

A

contact inhibition

27
Q

What is the concentration mode in which, with the help of osmotic pressure, water is removed from the virus suspension?

A

dialysis

28
Q

What do we call the virus penetration method, whereby RNA-protein complexes can pass through the cytoplasmic membrane?

A

translocation

29
Q

What is it called, when an mRNA codes for more than one protein?

A

Polycystronic

30
Q

What do we call the type of phenotypic mix, when one of the virus’ nucleic acids builds into the other virus’ capsid?

A

Phenotypic mixing (melange)

31
Q

Indirect virus propagation disease in which you have to take two samples

A

after immune response

32
Q

What is the name of the method whereby, organ samples of dead animals are inoculated for cell cultures?

A

Cell cultivation or cell culture contamination

33
Q

What is the name of the virus detection method whereby, the antigen and antibody react with one another via an electric current?

A

Immunoelectrophoresis

34
Q

What do we call an the ingredients of an inactive vaccine, which increases the vaccine intensity?

A

Adjuvant

35
Q

Papilloma viruses

A

Are usually stenoxen viruses

36
Q

Alpha herpes viruses

A

Cause latency in ganglionic nerve cells

37
Q

Orthopox viruses causes

A

cowpox virus

38
Q

Beak and feather disease viruses

A

have an immunosuppressive effect

39
Q

Orthoreo viruses

A

cause tenosynovitis in birds

40
Q

Examples of the Picornaviridae family

A

enter, tescho, gelato, tremo, cardio and alpha virus

41
Q

Alpha viruses

A

among them are zoonotic agents

42
Q

A member of the Flavivirus is

A

the diarrhoea virus in cattle

43
Q

Toroviruses in foals causes

A

stomach inflammation and enteritis

44
Q

Some animal species are responsive to

A

Nipah virus

45
Q

The Ebola virus

A

can cause bleeding fever in humans

46
Q

The environmental owners/maintainers of the mamaerena viruses are

A

rodents

47
Q

Viruses affecting humans and cattle

A

Deltaretrovirus genus

48
Q

Bacteriophages

A

can be used up for some bacteriological diagnostic tests

49
Q

Prion proteins

A

are usually spread orally

50
Q

In chickens, it can cause kidney failure

A

Gammacoronavirus (infectious bronchitis)

51
Q

In horses, it causes a slowly-developing infection

A

influenza virus

52
Q

What is the name of the adeno- or orthoreovirus disease affecting calves?

A

Pneumonitis

53
Q

What illnesses does the Aujeszky-disease virus cause in dogs?

A

deadly encephalitis

54
Q

In what animal, does Aujeszky-disease(?) virus cause mouth pain?

A

Sheep

55
Q

What is the name of the disease caused by goose parvovirus?

A

Derzsy disease

56
Q

What is the name of the illness/disease caused by rhinovirus?

A

Rhinitis

57
Q

In what species does Border disease virus cause illness?

A

Sheep

58
Q

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

A

Arterovirus

59
Q

Which animal virus did they manage to get rid of on Earth?

A

Eastern cowpox, morbillivirus

60
Q

Which virus causes glandular stomach disease in parrots?

A

bornavirus

61
Q

What do they call the virus causing human immunodeficiency?

A

AIDS

62
Q

Can cause immunosuppression in cats

1. Panleicopenia virus
2. peritonitis virus infecting cats
3. feline leukaemia virus
4. the infectious bursitis virus
A
  1. No
  2. Yes
  3. Yes
  4. No
63
Q
  1. Small mammals are the hosts of….
    1. mammalian bornavirus
    2. mammaerenavirus
    3. mamastroviruses
    4. hantaviruses
A
  1. Yes
  2. Yes
  3. No
  4. Yes
64
Q

Causes abortion, respiratory and central nervous system symptoms

1. herpresmamillitis virus (BoHV-2)
2. cattle affecting infectious rhinotracheitis virus (BoHV-2)
3. equine rhinopneumonitis virus (EHV-1) 
4. Aujeszky-disease virus (SuHV-1)
A
  1. No
  2. Yes
  3. Yes
  4. Yes

Virology exam (6 decks)

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