A 21-year-old woman comes to the university health clinic ...

A. leukopenia with atypical leukocytosis B. positive culture for group A beta-hemolytic Streptococcus C. positive Mycoplasma PCR D. positive RNA p24 antigen PCR E. positive serum HSV PCR. Bottom of Form. Explanation: The correct answer is A. This patient has infectious mononucleosis caused by the Epstein-Barr virus. ................
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