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Physiology > Liver > Flashcards

Liver Flashcards

1
Q

Hep B serology - what would show an active infection?

A

HbsAg positive (the antigen is measurable), this would be present in both acute and chronic infections

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2
Q

Hep B serology - what would show recent infection?

A

IgM antibody anti HBc (immune system produced acute antibodies), this would be present in recent acute infection

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3
Q

Hep B serology - has the patient ever had an infection?

A

anti HBc (hep B core antibody) indicates the patient has a current or past infection of hep B

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4
Q

Hep B serology - what antibody represents immunity?

A

anti-HBs (hep b surface antibody) indicates the patient has immunity from an infection or vaccine

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5
Q

What would a patient who has been vaccinated for Hep B have?

A

anti-HBs

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6
Q

What does HBsAg show?

A

active infection (acute or chronic)

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7
Q

What does anti-HBc IgM show?

A

recent acute infection

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8
Q

What does anti-HBc show?

A

the patient has had a hep B infection

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9
Q

What does anti-HBs show?

A

the patient is immunised by either a vaccine or infection

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Physiology (9 decks)

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