READING ASSIGNMENT: SEROLOGIC TESTS FOR HEPATITIS B VIRUS Flashcards

1
Q

hepatitis B surface antigen, the envelope protein consisting of three polypeptides

A

HBsAg

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2
Q

antibody to hepatitis B surface antigen

A

Anti-HBs

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3
Q

antibody to hepatitis B core antigen

A

Anti-HBc

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4
Q

antigen associated with the nucleocapsid, also found as soluble protein in serum

A

HBeAg

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5
Q

antibody to hepatitis B e antigen

A

Anti-HBe

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6
Q
  • Active HBV infection
  • long-term carrier (after 6 months of acute infection) incubation period
A

HBsAg

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7
Q
  • Appears early in the course of the disease
  • Acute infection
  • Confirms the diagnosis of acute HBV in cases where HBsAg is not detected and anti-HBs has not
    yet appeared
A

IgM anti-HBc

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8
Q

Convalescence or immune status

A

anti-HBs

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9
Q
  • Chronic infection
  • High infectivity
A

HBeAg

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