Approach to HBsAg-Positive Patients

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D Appropriate laboratory studies should include a complete hepatitis B serologic evaluation, a serum HBV DNA level, and biochemical markers related to hepatic inflammation and function.

This answer is correct. The initial laboratory evaluation of a positive HBsAg includes a complete hepatitis B serologic evaluation, including IgM anti-HBc, HBeAg, and hepatitis B e antibody (anti-HBe). In addition, studies should be performed to measure serum HBV DNA level and biochemical markers related to hepatic inflammation and function. These tests are essential to accurately characterize the patient’s HBV infection.


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