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Microbiology > RNA VIRUS > Flashcards

RNA VIRUS Flashcards

1
Q

all are ssRNA except?

A

reovirus

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2
Q

all are enveloped except? PCR

A

picornaviridae
caliciviridae
reoviridae

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3
Q

all replicate in cytoplasm except?

A

orthomyxovirus and retrovirus

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4
Q

largest rna virus

A

paramyxoviridae

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5
Q

smallest rna virus

A

picornaviridae

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6
Q

rna virus that require vectors

A

arbovirus

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7
Q

classified as arbovirus: FBT

A

flaviviridae
bunyaviridae
togaviridae

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8
Q

day biting mosquito

A

aedes

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9
Q

night biting mosquito

A

culex

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10
Q

CA of equine encephalitis

A

alpha virus

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11
Q

3 virus under togaviridae

A

alpha
chikungunya
rubella

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12
Q

vectors of alpha virus

A

aedes

culex

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13
Q

virus that is associated with myositis and arthritis; transmitted by aedes aegypti

A

chikungunya virus

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14
Q

CA of german measles

A

rubella virus

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15
Q

red spots that may develop on the soft palate of those with german measles

A

forccheimer spots

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16
Q

of all togavirus, which virus is not arbovirus?

A

rubella

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17
Q

all flaviviridae are arbovirus except?

A

HCV and HGV

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18
Q

most common arbovirus

A

dengue

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19
Q

yellow fever vector

A

aedis aegypti

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20
Q

dengue vector

A

aedis aegypti

aedis albopictus

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21
Q

this flavivirus requires culex instead

A

st louis encephalitis virus

west nile virus

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22
Q

CA of microcephaly in babies and guillain barre syndrome in adults

A

zika virus

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23
Q

zika virus vectors

A

aedes aegypti

aedes albopictus

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24
Q

most specific serologic tst for flavivirus

A

plaque reduction neutralization test (PRNT)

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25
Q

all bunyaviridae are arbovirus except

A

hantavirus (rodent borne)

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26
Q

bunyaviridae vectors: (3)

A

mosquito
ticks
sandflies

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27
Q

bunyavirus diseases

A

rift valley fever
la crosse virus
california encephalitis
crimean congo hemorrhagic fever

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28
Q

this virus are known to have sand-like virions

A

arena virus

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29
Q

arena virus found in US

A

new world arena virus

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30
Q

arena virus found in africa

A

old world arena virus

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31
Q

2 significant virus in arena virus

A

lymphocytic choriomeningitis virus

lassa fever virus

32
Q

this virus is known to have star shaped virion

A

astrovirus

33
Q

former family of HEV

A

caliciviridae

34
Q

this virus family has thread-like or filamentous morphology

A

filoviridae

35
Q

this virus has shepherds hook morphology

A

Marburg virus

36
Q

this virus can be acquired from african green monkey

A

Marburg virus

37
Q

most pathogenic of all hemorrhagic virus

A

ebola virus

38
Q

new familyof HEV

A

filoviridae

39
Q

CA of viral gastroenteritis in infants and children worldwide

A

rotavirus

40
Q

gold standard for detecting rotavirus

A

immunofluorescence antibody test

41
Q

this virus has bullet shaped capsid

A

rabies virus

42
Q

this virus has the highest fatality rate

A

rabies virus

43
Q

tumor viruses

A

retroviridae

44
Q

enzyme unique to retrovirus and HBV

A

reverse transcriptase

45
Q

CA of t cell leukemia

A

HLTV1

46
Q

CA of hairy cell leukemia

A

HTLV2

47
Q

HIV antigens (4)

A

p24
gp41
gp120
gp160

48
Q

HIV screening test

A

EIA/ELISA

49
Q

HIV confirmatory test

A

western blot

50
Q

simplest RNA virus

A

picornaviridae

51
Q

CA of common colds

A

rhinovirus

52
Q

CA of aseptic meningitis

A

enterovirus

53
Q

associated with paralytic poliomyelitis

A

poliovirus

54
Q

CA of harpangina and hand foot mouth disease

A

coxsackie A

55
Q

CA of pleurodynia/bornholm/devils grip

A

coxsackie B

56
Q

ECHO virus members

A

entero
cytopathogenic
orphan

57
Q

influenza antigen for attachment

A

hemagglutinin

58
Q

influenza antigen for virion release

A

neuramidase

59
Q

H1N1

A

spanish flu

60
Q

H2N2

A

asian flu

61
Q

H3N2

A

hongkong flu

62
Q

H5N1

A

avian flu

63
Q

this influenza can trigger major antigen change (antigenic shift)

A

influenza A

64
Q

this influenza can trigger minor antigen change (antigenic drift)

A

influenza B

65
Q

infects the salivary/parotid glands

A

mumps/rubula virus

66
Q

unique to RSV

A

fusion protein

67
Q

CA of 7 day measles

A

rubeola virus

68
Q

bluish-white spots in 7 day measles

A

koplik spots

69
Q

SARS-COV1 origin

A

civet cat, china

70
Q

MERS-COV origin

A

camel, middle east

71
Q

SARS-COV2 origin

A

pangolin, china

72
Q

gold standard for sars-cov2 detection

A

pcr

73
Q

variants of concern:

originated in UK

A

alpha b117

74
Q

variants of concern:

originated in south africa

A

beta b1351

75
Q

variants of concern:

originated in brazil

A

gamma p1

76
Q

variants of concern:

originated in india

A

delta b16172

Microbiology (18 decks)

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