13. Fenger Flashcards

(37 cards)

1
Q

structure of paramyxoviridae?

A
  • SS RNA, nonsegmented
    helical + envelope
    RNA-dependent RNA polymerase
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2
Q

pt presents w barking cough, name of cough?

virus causing? subtypes?

A

Parainfluenza (paramyxovirus)

Croup, ARD

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3
Q

most important Ig for paramyxovirus immunity?

A

IgA

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4
Q

1 cause of Lower RT infeciton in infants?

A

Pneumovirus/ RSV

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5
Q

tx for RSV?

A

palivizumab

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6
Q

function of F glycoproteins?

A

fusion and can make giant cells/syncytia/polykaryocytes

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7
Q

funciton of H?

A

attachment

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8
Q

function of N?

A

budding

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9
Q

glycoproteins in parmyxovirus?

A

H, N and F

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10
Q

glycoproteinsin morbilla virus?

A

H and F

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11
Q

glycoproteins in pneumovirus?

A

F

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12
Q

infection timeline for paramyxoviriday?

A

RSC, Parainfluenza 3, 1, 2, 4

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13
Q

wc orthomyxoviridae protein is responsible for antigen shift?

A

H

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14
Q

wt is contained in trivalent flu vaccine?

A

Type A
Type A
Type B

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15
Q

wt is contained in quadravalent flu vaccine?

who would it be given to?

A

2 Type A
2 Type B

elderly or immune compromised

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16
Q

MOA of amantadine and rimantadine?

A

inhibit uncoating

17
Q

MOA of Zanamivir and oseltamivir?

A

inhibits neuroamidase

18
Q

MOA of ribavirin?

A

inhibits RNA synthesis

19
Q

is the intranasal vaccine recomended?

20
Q

virus associated with Reyes syndrome and Guillan Barre?

21
Q

wt protein in H flu lowers mucus viscosity?

22
Q

major cause of the common cold? hw many immunotypes?

A

Rhinovirus

100

23
Q

wt protein could be targeted for a universal vaccine?

A

nucleocapsid protein

24
Q

structure of picornavirus?

A

+ ss RNA non segmented icosahedral

25
which echovirus can cause respiratory illness? | pts it is severe?
D68 | kids w asthma
26
conditions caused by type 1 parainfluenza?
Croup, ARD, colds, pharyngitis, coryza, pharyngitis
27
conditions caused by typee 2 parainfluenza?
croup
28
3 conditions caused by type 3 and 4 parainfluenza virus?
ARD, bronchitis, pneumonia
29
4 reasons vaccine is impractical for rhinovirus?
cant grow in culture short immunity, IgA many serotypes in individual geographic location
30
wt is unique about coronaviridae?
peplomers due to two glycoproteins in envelope
31
virus causing SARS? why? | other thing it causes?
Coronavirus binds angiotensin-converting enzyme 2 on epithelial cells (ACE2) bronchitis in adults
32
wt prevented spread of SARS-CoV?
quarantine
33
wc virus can induce latent respiratory infections?
adenovirus
34
where does adenovirus replicate?
nucleus
35
wt is adenovirus capsid composed of?
252 hexons | 12 pentons
36
2 adenovirus types that cause acute respiratory disease in children and military recruits?
type 4 and 7
37
receptor and co receptor for coronavirus?
metalloprotease | N-acetyl neuramic acid