Ans: B. AntiHAV, HBsAg, IgM antiHBc, AntiHCVRef: Harrison, I8't' ed., pg. 328, 2549-2552, 2550t, 2551tHB- sAgIgM Anti- HAVIgM Anti- HBcAnti-HCVDiagnostic Interpretation+ + Acute hepatitis B Chronic hepatitis B++ Acute hepatitis A superim? posed on chronic hepatitis B+++ Acute hepatitis A and B--+ Acute hepatitis A--++ Acute hepatitis A and B (HBsAg below detection threshold) + Acute hepatitis B (HBsAg below detection threshold) Acute hepatitis C
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