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Question 1 of 8
1. Question
Which marker indicates active replication and high infectivity in hepatitis B infection?
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Question 2 of 8
2. Question
Wilson’s disease is caused by a mutation in which of the following genes?
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Question 3 of 8
3. Question
Which hepatitis virus is a DNA virus?
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Question 4 of 8
4. Question
In Wilson’s disease, which organ is primarily responsible for the impaired excretion of copper?
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Question 5 of 8
5. Question
Which hepatitis virus is most commonly transmitted via the fecal-oral route?
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Question 6 of 8
6. Question
A 30-year-old healthcare worker presents for routine screening. She is asymptomatic. Blood tests show:
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HBsAg: positive
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HBeAg: positive
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Anti-HBs: negative
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Anti-HBc IgM: negative
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Anti-HBc IgG: positive
What is the most likely interpretation of these results?
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Question 7 of 8
7. Question
Which of the following ocular signs is classically associated with Wilson’s disease?
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Question 8 of 8
8. Question
A 25-year-old man presents with fatigue, nausea, and yellowing of the eyes for the past 3 days. He recently returned from a trip to a rural area where he consumed street food and untreated water. On examination, he has jaundice and mild right upper quadrant tenderness. Lab results show:
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Total bilirubin: 4.5 mg/dL (elevated)
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AST and ALT: markedly elevated
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Hepatitis panel: positive anti-HAV IgM
What is the most likely diagnosis?
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