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Gut & Metabolism > Hepatitis Labs > Flashcards

Hepatitis Labs Flashcards

1
Q

HBsAg

A

you’re infected with HBV

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2
Q

Anti-HBs

A

you’re immune to HBV (Surface antibody)

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3
Q

Anti-HBc (total)

A

You’re exposed in general to HBV (Core antibody IgG + IgM)

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4
Q

Anti-HBcIgM

A

You’re acutely exposed to HBV (core antibody IgM only) =

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5
Q

HBeAg

A

Active replication of HBV (early antigen)

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6
Q

Anti-HBe

A

HBV is no longer replicating (early antibody)

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7
Q

HBV DNA

A

quantifies the amount of HBV DNA

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8
Q

You’re infected with HBV

A

HBsAg

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9
Q

You’re immune to HBV

A

Anti-HBs

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10
Q

You’re exposed to HBV, acute or chronic

A

Anti-HBc total (IgM+IgG)

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11
Q

You’re exposed to HBV acutely

A

Anti-HBc IgM

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12
Q

There’s active HBV replication

A

HBeAg

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13
Q

HBV replication has stopped

A

Anti-HBe

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14
Q

Amount of HBV DNA present

A

HBV DNA test

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15
Q

HAV-Ab/IgM

A

Hep A acute or recent infection, rises within a week

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16
Q

HAV-Ab/IgG

A

Hep A previous exposure, rises after one month and can persist for year

17
Q

Hepatitis C RNA detection

A

Used to CONFRIM current/active HCV infection from Anti-HCV-IgM

18
Q

Anti-HCV (IgM)

A

First HCV screening test, not protective and many false positives

19
Q

Acute/recent Hep A infection

A

HAV-Ab/IgM

20
Q

Past Hep A exposure

A

HAV-Ab/IgG

21
Q

Confirmatory test for HCV infection

A

Hepatitis C RNA detection

22
Q

First HCV screening test

A

Anti-HCV (IgM)

23
Q

Delta agent serology

A

Detects HDV, done if known HBV infection, cannot distinguish acute vs. chronic

24
Q

Detect HDV

A

delta agent serology

Gut & Metabolism (4 decks)

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