Exam 4- RNA viruses Flashcards

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1
Q

What are the type of proteins on the envelope of retroviridae?

A

gag

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2
Q

3 important viral enzymes in retroviridae?

A

1) Reverse transcriptase
2) Integrase
3) RNA polymerase II (RNAPII)

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3
Q

_________ - any virus with DNA or RNA genome causing cancer

A

Oncovirus

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4
Q

________- gene that encodes for proteins regulating gell growth and differentiation and that can become an oncogene.

A

Proto-oncogene

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5
Q

________- are required for building in the genetic material.

A

Active cells

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6
Q

2 types of mechaisms of transformation for Retroviruses?

A
  • Proto-oncogenes mistakenly incorporated into provirus
  • Disruption of cellular proto-oncogenes
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7
Q

What is the genus and species of this disease?

Also the disease’s common name?

A

Alpharetrovirus

Avian sarcoma leucosis virus (ASLV or ALV)

AKA- Avian Leukosis

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8
Q

________– causes lymphoid leucosis and lymphoma (blood cell tumor from lymphocytes

A

Avian Leukosis

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9
Q

The genus and species of Enzootic Nasal Tumor?

A

G-Betaretrovirus

S-Enzootic nasal tumor virus (ENTV)

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10
Q

What is the host for Enzootic Nasal Tumor?

A

sheep,goats

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11
Q

The genus and species for Jaagsiekte?

A

G-Betaretrovirus

S- Jaagsiekte sheep retrovirus (JSRV)

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12
Q

_________– is a contagious lung cancer or ovine pulomonary adenocarcinoma.

A

Jaagsiekte

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13
Q

Clinical signs of Jaagsiekta?

A

Respiratory distress when you chase the animal, Lots of nasal discharge.

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14
Q

What is the genus and species? and common name?

A

G- Deltaretrovirus

S- Bovine Leukemia virus (BLV)

AKA- Bovine Leukosis

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15
Q

Symptoms of Bovine Leukosis?

A

-enlargement of lymph nodes

Ex: retro-ocular –> protrusion of conjunctional membrane

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16
Q

What is the genus and species of Feline Leukemia?

A

G- Gammaretrovirus

S- Feline Leukemie virus (FeLV)

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17
Q

What is diseas? its Genus, species also?

A

Equine Infectious Anemia aka swamp fever

G- Lentivirus

S-Equine infectious anemia virus (EIAV)

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18
Q

What cells are infected in Feline Immunodeficiency virus?

A

CD4T-helper cells, CD8t-cells, B-cells, macrophages

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19
Q

What type of RNA virus is bullet shaped?

A

Rhabdoviridae

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20
Q

Which virus type has Negri bodies?

A

Rhabdoviridae

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21
Q

Rhabdoviridae is present in all countries except?

A

Australia and Antarctica

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22
Q

What is the genus of the Rabies?

A

Lyssavirus

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23
Q

Is rabies a fast or slow moving virus?

A

slow

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24
Q

Test used for rabies detection?

A

direct fluorescent antibody test- look for presence of rabies virus antigens in brain tissue

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25
Q

What Type of RNA virus is segmented?

A

Orthomyxoviridae

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26
Q

Influenza A affects what types of animals?

A

Humans, birds, mammals

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27
Q

Influenza B affects what types of animals?

A

humans, seals

28
Q

Influenza C affects what types of animals?

A

humans, pigs, dogs

29
Q

Is swine flu affected by Influenza A, Influenza B, or Influenza C? or all?

A

A and C. Most common A, rare= C, B not found yet

30
Q

A filamentous or pleomorphic type of RNA virus

A

Filovirdiae

31
Q

What virus is shown? and its genus

A

Marburg Haemorrhagic Fever

G-Marburgvirus

32
Q

“Respiratory Enteric Orphan” related to which virus?

A

Reoviridae

33
Q

What virus is shown? and its genus?

A

Blue tongue

G- Orbivirus

34
Q

What is the transmission route of Blue tongue disease ?

A

Arthropod bite

35
Q

What is the following disease and its genus?

A

Viral Diarrhoea

G- Rotavirus

36
Q

orthomyxo

A

segmented genome allows for antigenic shift

37
Q

paramyxoviruses

A

non-segmented, one serotype > long term immunity

38
Q

What is the following disease? Genus and species?

A

Canine Distemper

G-morbillivirus

S-canine distemper virus

39
Q

What systems does canine distemper attack?

A

respiratory, gastrointestional, nervous

40
Q

What is the following disease and its genus?

A

Rinderpest

G-morbillivirus

41
Q

What are the 3 D’s of Rhinderpest?

A

Dead, Discharge, Diarrhea

42
Q

What disease is shown? and genus?

A

New castle disease

G- Avulavirus

43
Q

Is new castle disease contagious?

A

yes

44
Q

The envelope on this type of virus is petal shaped spikes (peplomers)

A

Coronavirdae

45
Q

Which type of virus is shown? and its genus?

A

feline infectioud peritonitis (FIP)

Alphacoronavirus

46
Q

2 forms of FIP

A

1) Feline Enteric acoronavirus (FECV)
2) Feline Infectious peritonitis virus (FIPV)

47
Q

clinical systems of dry non-effusive FIP

A

loss of appettie, weight loss, yelowing inside of eye, iris color change

48
Q

clinical signs of wet or effusive FIP

A

damaged and leaking blood vessels, ascites, difficult breathing

49
Q

Genus of SARS?

A

Genus Betacoronavirus

50
Q

How are the surface proteins organized in Flaviviridae viruses?

A

icosahedral-like symmetry

51
Q

How is Flaviviridae transmited?

A

Vector- mosquitos, dicks

52
Q

Genus of west nile fever

A

Flavivirus

53
Q

What symptons does west nile cause?

A

neurological symptoms

54
Q

What virus is shown and genus?

A

Bovine Viral Diarrhea (BVD)

Pestivirus

55
Q

What virus causes significant economic disease of cattle?

A

Bovine viral diarrhea (BVD)

56
Q

What is the genus of Zika fever?

A

Flavivirus

57
Q

__________ is a arthropod borne virus and replicates to maintain a cycle between host and vector

A

Arbovirus

58
Q

__________ is endemic in animal populations

A

enzootic

59
Q

_________- is epidemic outbreak of a disease in animal population

A

Epizootic

60
Q

What is the following disease and its genus?

A

Foot and Mouth disease (FMD)

G-Aphtovirus

61
Q

FMD is infectious via?

A

Excretions and secretions of infected animal

62
Q

What is the genus of Poliomyelitis?

A

Enterovirus

63
Q

What type of virus is difficult to grow in culture?

A

Caliciviridae

64
Q

genus Vesivirus, Lagovirus, norovirus are part of what type of virus?

A

Caliciviridae

65
Q

What disease is shown? genus?

A

Feline Calicivirus

G-Vesivirus

66
Q

__________ diease is a important viral cause of respiratory infection in cats.

A

Feline Calicivirus

67
Q

What RNA viruses are zoonoic?

Arbovirus, West nile fever, Rinderpest, Marburg Haemorrhagic Fever, Ebola, Rabies

A