1. Question 1

A 34 year-old patient is admitted to the hospital for detox from intravenous drug use. A medical examination reveals marked elevations in the liver function tests. The total bilirubin is 3.4, AST 1,245, ALT 1,435, Alkaline phosphatase 85. The patient is diagnosed with hepatitis B.

Which of the following sets of serologic tests would you most likely find in this patient?

	Hepatitis B surface antiguen	Hepatitis B surface antibody	Hepatitis B core IgM antibody	Hepatitis B e antigen	Hepatitis B e antibody
A	Negative	Positive	Negative	Negative	Negative
B	Negative	Negative	Positive	Negative	Negative
C	Positive	Negative	Negative	Positive	Negative
D	Positive	Negative	Positive	Positive	Negative
E	Positive	Positive	Positive	Negative	Negative

2. Question 2

A 45 year old man has a life insurance exam, and blood tests show a mildly elevated ALT of 65. His hepatitis C antibody is positive.

Which of the following most likely explains how he acquired hepatitis C?

Blood transfusion in 2003
Nasal cocaine use 25 years ago
Intravenous drug use 25 years ago
Unprotected sexual intercourse
Ingesting contaminated shellfish

3. Question 3

A 28 year old physician has been vaccinated against hepatitis B.

Which of the following sets of serologies would you expect to see?

	Hepatitis B surface antigen	Hepatitis B surface antibody	Hepatitis B core IgM antibody	Hepatitis B e antigen	Hepatitis B e antibody
A	Negative	Positive	Negative	Negative	Negative
B	Negative	Negative	Positive	Negative	Negative
C	Negative	Negative	Negative	Positive	Negative
D	Positive	Negative	Positive	Positive	Negative
E	Positive	Positive	Positive	Negative	Negative

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