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usmle > Hepatitis B > Flashcards

Hepatitis B Flashcards

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USMLE® Step 1 flashcards
1
Q

Antigen that indicates immunity. (present after vaccination or recovered infection)

A

Anti-HBs

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2
Q

marker of infection during window period. (period in infection when neither hepatitis B surface antigen (HBsAg) nor its antibody (Anti-HBs) can be detected in serum.

A

Anti-HBc IgM may be the only positive marker during window period. Anti-HBe may also be present; suggest low transmissibility.

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3
Q

Indicates active viral replication.

A

HBeAg (High transmissibility and poor prognosis)

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4
Q

Markers present in acute hepatitis infection.

A

HBsAg, HBeAg

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usmle (15 decks)

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