A 28-year-old woman with a longstanding history of injection drug use presents with a 10-day history of malaise, nausea, and fatigue, and a two day “yellow eyes”.  Physical exam reveals scleral icterus and mild hepatomegaly with right upper quadrant tenderness. Considering the possibility of acute hepatitis B in the differential, the NP anticipates laboratory results will include. 

A. The presence of hepatitis B surface antibody (HBsAb)
B. Thrombocytosis. 
C. Leukocytosis. 
D. The presence hepatitis B surface antigen (HBsAg). 

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