RNA viruses Flashcards

1
Q

Name 5 picornaviruses

A
Poliovirus
Echovirus
Rhino
Coxsackie
HAV

PERCH

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2
Q

Birds are reservoir

A

West Nile virus

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3
Q

Togavirus family include

A

Rubella

Westen/eastern equine encephalitis

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4
Q

Asthma-sounding infection in infants (especially premature)

A

RSV (bronchiolitis)

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5
Q

Double stranded linear RNA

A

reovirus

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6
Q

Bullet-shaped virus

A

rabies

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7
Q

Vomiting/diarrhea outbreak in nursing homes

A

norwalk (calicivirus)

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8
Q

Warthin-Finkeldey giant cells

A

fused lymphocytes in lymphadenitis

measles (rubeola virus)

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9
Q

segmented RNA

A

BOAR

Bunya (3)
Orthomyxo (8)
Arenavirus
Reovirus (double stranded)

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10
Q

1 cause of fatal diarrhea

A

rotavirus

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11
Q

High fever
Then hemorrhagic disease, jaundice
Coffee ground emesis

A

yellow fever virus

flavi

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12
Q

Colorado tick fever: what family

A

(Coltivirus)

reovirus

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13
Q

eosinophilic apoptotic globules on hepatocytes

A

Councilman bodies

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14
Q

virus causing T-cell leukemia belongs to what family?

A

retrovirus

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15
Q

Outbreak of diarrhea/vomiting in daycenter during winter

A

rotavirus

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16
Q

Vomiting/diarrhea outbreak in cruise ships

A

norwalk (calicivirus)

17
Q

Promotes viral progeny release for influenza

A

neuraminidase

18
Q

Promotes viral entry for influenza

A

hemagglutinin

19
Q

Vesicular/papular lesions on mouth, palm, sole

A

hand foot mouth disease

coxsackie A

(also EV71)

20
Q

F protein

A

RSV

allows respiratory epithelial cell to fuse and form multinucleated cells, spreading virus

21
Q

SARS family

A

coronavirus

22
Q

Viral myocarditis

A

echovirus, coxsackievirus

23
Q

Blueberry muffin appearance in newborn

A

rubella (congenital)

indicates extramedullary hematopoiesis

24
Q

Used for RSV infection s/p bone marrow transplant in adults

A

ribavirin

25
Q

Negri bodies in Purkinje cells

A

rabies

eosinophillic cytoplasmic inclusions that contain viral capsids

eosinophillic intranuclear inclusion -> herpes 1, 2 and varicella

26
Q

barking seal cough

A

laryngotracheobronchitis

parainfluenza

27
Q

Maculopapular rash spreading downwards

A

measles (rubeola virus)

28
Q

Councilman bodies on liver biopsy

A

yellow fever

29
Q

Arboviruses causing encephalitis

A

St. Louis
Eastern Equine
Western Equine
California

30
Q

Giant cell pneumonia

A

measles (rubeola virus)

31
Q

herpangina

A

coxsackievirus

fever + mouth blisters

32
Q

Infects gray matter of anterior horn of spinal cord

A

poliovirus

also motor neurons of pons and medulla

West Nile

33
Q

Cardiac defect in congenital rubella

A

PDA

pulmonary stenosis

34
Q

Aseptic meningitis in summer months

A

echovirus

coxsackie

35
Q

steeple sign on x-ray

A

subglottic narrowing on croup
laryngotracheobronchitis
parainfluenza