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
With the haemagglutination inhibition test, we can show the African swine fever antibodies
False
26
What can we call the process where the cell division of cells of ectopic tissues are inhibited during contact?
contact inhibition
27
What is the concentration mode in which, with the help of osmotic pressure, water is removed from the virus suspension?
dialysis
28
What do we call the virus penetration method, whereby RNA-protein complexes can pass through the cytoplasmic membrane?
translocation
29
What is it called, when an mRNA codes for more than one protein?
Polycystronic
30
What do we call the type of phenotypic mix, when one of the virus’ nucleic acids builds into the other virus’ capsid?
Phenotypic mixing (melange)
31
Indirect virus propagation disease in which you have to take two samples
after immune response
32
What is the name of the method whereby, organ samples of dead animals are inoculated for cell cultures?
Cell cultivation or cell culture contamination
33
What is the name of the virus detection method whereby, the antigen and antibody react with one another via an electric current?
Immunoelectrophoresis
34
What do we call an the ingredients of an inactive vaccine, which increases the vaccine intensity?
Adjuvant
35
Papilloma viruses
Are usually stenoxen viruses
36
Alpha herpes viruses
Cause latency in ganglionic nerve cells
37
Orthopox viruses causes
cowpox virus
38
Beak and feather disease viruses
have an immunosuppressive effect
39
Orthoreo viruses
cause tenosynovitis in birds
40
Examples of the Picornaviridae family
enter, tescho, gelato, tremo, cardio and alpha virus
41
Alpha viruses
among them are zoonotic agents
42
A member of the Flavivirus is
the diarrhoea virus in cattle
43
Toroviruses in foals causes
stomach inflammation and enteritis
44
Some animal species are responsive to
Nipah virus
45
The Ebola virus
can cause bleeding fever in humans
46
The environmental owners/maintainers of the mamaerena viruses are
rodents
47
Viruses affecting humans and cattle
Deltaretrovirus genus
48
Bacteriophages
can be used up for some bacteriological diagnostic tests
49
Prion proteins
are usually spread orally
50
In chickens, it can cause kidney failure
Gammacoronavirus (infectious bronchitis)
51
In horses, it causes a slowly-developing infection
influenza virus
52
What is the name of the adeno- or orthoreovirus disease affecting calves?
Pneumonitis
53
What illnesses does the Aujeszky-disease virus cause in dogs?
deadly encephalitis
54
In what animal, does Aujeszky-disease(?) virus cause mouth pain?
Sheep
55
What is the name of the disease caused by goose parvovirus?
Derzsy disease
56
What is the name of the illness/disease caused by rhinovirus?
Rhinitis
57
In what species does Border disease virus cause illness?
Sheep
58
Which virus causes persistent infections in the sexual organs/tracts?
Arterovirus
59
Which animal virus did they manage to get rid of on Earth?
Eastern cowpox, morbillivirus
60
Which virus causes glandular stomach disease in parrots?
bornavirus
61
What do they call the virus causing human immunodeficiency?
AIDS
62
Can cause immunosuppression in cats 1. Panleicopenia virus 2. peritonitis virus infecting cats 3. feline leukaemia virus 4. the infectious bursitis virus
1. No 2. Yes 3. Yes 4. No
63
59. Small mammals are the hosts of…. 1. mammalian bornavirus 2. mammaerenavirus 3. mamastroviruses 4. hantaviruses
1. Yes 2. Yes 3. No 4. Yes
64
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)
1. No 2. Yes 3. Yes 4. Yes