RT Book, Section A1 Safrin, Sharon A2 Katzung, Bertram G. SR Print(0) ID 1148440872 T1 Antiviral Agents T2 Basic & Clinical Pharmacology, 14e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259641152 LK accessmedicine.mhmedical.com/content.aspx?aid=1148440872 RD 2024/11/08 AB CASE STUDYA 35-year-old white woman who recently tested seropositive for both HIV and hepatitis B virus surface antigen is referred for evaluation. She is feeling well overall but reports a 25-pack-year smoking history. She drinks 3–4 beers per week and has no known medication allergies. She has a history of heroin use and is currently receiving methadone. Physical examination reveals normal vital signs and no abnormalities. White blood cell count is 5800 cells/mm3 with a normal differential, hemoglobin is 11.8 g/dL, all liver tests are within normal limits, CD4 cell count is 278 cells/mm3, and viral load (HIV RNA) is 110,000 copies/mL. What other laboratory tests should be ordered? Which antiretroviral medications would you begin?