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USMLE Step1 > RNA viruses > Flashcards

RNA viruses Flashcards

1
Q

Rotavirus

A

Reovirus - DS linear non-enveloped

fatal infantile/childhood diarrhea

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2
Q

colorado tick fever

A

Coltivirus - Reovirus (DS linear) non-enveloped

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3
Q

poliovirus

A

picornavirus - SS + linear non-enveloped

lower motor neuron paralysis

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4
Q

Echovirus

A

picornavirus - SS + linear non-enveloped

aseptic meningitis

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5
Q

Rhinovirus

A 
picornavirus - SS + linear non-enveloped
#1 cause common cold
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6
Q

Coxsachievirus A

A 
picornavirus - SS + linear non-enveloped
herpangina
hand-foot-and-mouth disease
aseptic meningitis
paralysis
upper resp infection
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7
Q

Coxsachie B

A 
pleurodynia, myocarditis, pericarditis
aseptic meningitis
paralysis
upper resp infection
picornavirus - SS + linear non-enveloped
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8
Q

hepatitis A

A

picornavirus SS+ linear non-enveloped

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9
Q

Hepatitis E

A

SS + linear non-enveloped

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10
Q

norovirus

A

Calicivirus = non-enveloped SS + linear

viral gastroenteritis

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11
Q

Yellow fever

A

flavivirus = enveloped SS + linear
fever, hepatitis, jaundice
mosquito transmission

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12
Q

Dengue virus

A

flavivirus = enveloped SS + linear
mosquito transmission
Dengue Fever = flu-like + severe joint/muscle pain
Dengue Hemorrhageic Fever = type III hypersensitivity rxn (hemorrhage/shock)

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13
Q

St. Louis encephalitis

A

flavivirus = enveloped SS + linear

mosquito transmission

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14
Q

West Nile virus

A

flavivirus = enveloped SS + linear
mosquito transmission
west nile fever
west nile encephalitis = encephalitis or meningitis

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15
Q

Rubella

A

German (3-day measles) - maculopapular rash face to extremities, fever, lymphadenopathy
Togavirus = SS + linear enveloped RNA

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16
Q

Eastern equine encephalitis

A

Togavirus = SS + linear enveloped RNA

17
Q

Western equine encephalitis

A

Togavirus = SS + linear enveloped RNA

18
Q

coronavirus

A

common cold & SARS

SS + linear enveloped RNA

19
Q

Lassa fever encephalitis

A

Arenavirus = SS (-) 2 circular segments RNA enveloped

spread by mice - hemorrhagic fever

20
Q

california encephalitis

A

Bunyavirus - SS (-) circular 3 segments

mosquito bite transmission

21
Q

Rift Valley fever

A

Bunyavirus - SS (-) circular 3 segments

22
Q

Sandfly fever

A

Bunyavirus - SS (-) circular 3 segments

sandfly bite transmission

23
Q

Hantavirus

A

Bunyavirus - SS (-) circular 3 segments
rodent transmission
Disease = hemorrhagic fever/pneumonia

24
Q

Hep D virus

A

SS (-) circular RNA enveloped

requires Hep B coinfection

USMLE Step1 (12 decks)

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