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Flashcards in RNA viruses intro Deck (73):
1

influenza A, B, and C is ______. HA attaches to ___________

orthomyxo
upper respiratory tract

2

we get colds every year because the NA and HA _____. this is called ______ ______

mutate
antigenic drift

3

HIV is an example of RNA of the _______

retroviruses

4

in icosahedral RNA viruses, they can be ______ or ________.

naked or enveloped

5

______ viridae: polio, hepatitis A, Rhino virus, _______

PICORNA
enteroviruses

6

CALICI viridae: ________

Norwalk

7

REO viridae:

Rota virus

8

the forms of naked icosahedral RNA viruses are: ________, ________, and REO

PICORNA
CALICI

9

the two forms of enveloped RNA viruses are _______ and _______

TOGA and FLAVI

10

mosquito and rubivirus are the ________ viridae (enveloped)

TOGA

11

yellow fever, dengue, hepatitis C viruses are of the _______ viridae (enveloped)

FLAVI

12

TOGA and FLAVI are _______, icosahedral RNA viruses

naked

13

CORONA viridae are _________ colds

respiratory

14

BUNYA are the __________ and california encephalitis

hantavirus

15

ORTHOMYXO are ________ A, B, C

influenza

16

PARAMYXO are par-influenza, respiratory syncytial virus, ____, and _____

mumps and measles

17

the RHABDO is ________

rabies

18

FILO is ________ and marburg (acute hemorrhagic fever)

Ebola

19

ARENA viridae is lymphocytic ___________

choriomeningitis

20

largyngotracheobronchitis (aka ______) is from the _______ virus

parainfluenza

21

the complex coat RNA viruses consists of _______ (HIV)

RETRO

22

Influenza A, B, and C are _________ viridae

orthomyxo

23

influenza viruses A, B, and C have glycoproteins: _________ activity (HA), and ________ activity (NA)

hemagglutinin activity and neuraminidase activity

24

HA can attach to host sialic acid receptors (________________), but antibodies to HA will ______

upper respiratory tract
block

25

NA disrupts _____ barrier

mucin

26

in an ________ drift, mutation of NA, HA protect the virus from antibodies

antigenic

27

in an antigenic _______, there is complete change of NA and HA

shift

28

Parainfluenza, respiratory syncytial virus, mumps, measles are all __________viridae

paramyxo

29

the paramyxo viruses absorb into the _________ ______

respiratory tract

30

the parainfluenza virus is _______viriade. In adults it is an _____, flu-like illness. It causes ______ in children (laryngotracheobronchitis)

paramyxo
URI
croup

31

parainfluenza virus causes a barking cough through the narrowed, upper _______

airways

32

respiratory synctyial virus is _______. It causes _______ infections and contains F protein that causes formation of ___________ giant cells

paramyxo
respiratory
multinucleate (syncytial cells)

33

Respiratoy syncytial virus lacks ____ and _____ glycoproteins

HA and NA

34

the measles virus is ________. there is a ____ day incubation. Causes _____ spots and rash

paramyxo
10 day
Koplik

35

arthropod borne viruses, toga, flavi, and bunya are all ________

arboviruses

36

california encephalitis and rift valley fever are both _________ viridae

bunya

37

yellow, dengue, and west nile are ______

flavi

38

rubivirus, WEE, and EEE are _____ (western and easter encephalitis)

toga

39

the _____ virus is a cause of a cold that is indistinguishable from the _________ common cold

corona
rhinovirus

40

the corona virus is responsible for ______% of colds

15%

41

SARS is a ________ virus

corona

42

the corona virus can progress to severe _____ in 10-20% of cases

dyspnea

43

rhinovirus is a ________ and is hand to hand spread

pircornaviridae

44

poliovirus, coxsackie viruses A and B, echovirus, hepatitis A, new enteroviruses are all ______, which are picornaviridae

enterovirus

45

enterovirus is excreted in _____ and spread by fecal-oral

feces

46

poliovirus is an _______ of the _______

enterovirus
picornaviridae

47

fecal-oral transmission and paralysis occurs in _______, which is a ______ (enterovirus)

poliovirus
picornaviridae

48

Coxsackie viruses A and B (enterovirus) are _____.

picorn

49

_____ is herpangina - a mild, self-limiting illness characterized by fever, sore throat, small red-based vesicles over the back of the throat

Coxsackie A

50

Coxsackie B is ________. Fever, HA, pleuritic pain

pleurodynia

51

Coxsackie A16 occurs in the ____, ____, and mouth 1-2 days after ______

hand
foot
herpangina

52

________ A and B are associated with myocarditis/pericarditis

coxsackie

53

echovirus and other _______ are _____viridae and have mild reactions, colds, rashes, aseptic meningitis

enteroviruses
picorn

54

rotavirus and calciviridae are _______ viruses

diarrhea

55

rabies is a _______viridae

rhabdo

56

the _______ virus replicates at the wound bite, then over _____ to a _____ move up nerve axons to the CNS, causing fatal _____

rabies
weeks to a year
encephalitis

57

DNA viruses are unlike RNA viruses be causes they __________________

cannot be translated directly into proteins

58

every DNA virus has a + and - strand. the ______ is read to be transcribed into mRNA and the ______ is ignored

positive
negative

59

PARVO, PAPOVA, and ADENO are all _________, icosahedral _____ viruses

naked
DNA

60

HERPES and HEPADNA are ______, icosahedral, DNA viruses

enveloped

61

erythema infectiousum is a ______, DNA

PARVO

62

human papilloma virus is a ______, DNA

PAPOVA

63

childhood respiratory cold is an ________, DNA

ADENO

64

herpes simplex 1&2, varicella, cytomegaloviris, epstein-barr, and human herpesvirus 6 are ______________ icosahedral HERPES

enveloped

65

hepatitis B is a ________

HEPADNA

66

POX is ______ envelope. Small pox and molluscum contagious.

complex envelope

67

viruses can be _______ or non-enveloped. Viral envelopes cover the protein ______, which has the RNA or DNA

enveloped
capside

68

respiratory syncytial virus occurs in the ________ and _______ in infants and children. A ________ virus

winter and spring
paramyxo

69

the _______ virus affects upper respiratory tract, also parotitis and orchitis.

mumps

70

hepatitis B is a _____ virus, where the other 5 are _____ viruses

DNA
RNA

71

the common cold is cause by _______, which is a ______

rhinovirus
picorn

72

HSV 1,2, varicella, cytomegalovirus, and epstein-barr are all ______

herpes

73

molluscum contagiousum is a ______ and is very common. Flesh colored bumps.

poxviridae