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126496 Medicine

A 25-year-old male student presents with the chief complaint of rash. He denies headache, fever, or myalgia. A slightly pruritic maculopapular rash is noted over the abdomen, trunk, palms of the hands, and soles of the feet. Inguinal, occipital, and cervical lymphadenopathy is also noted. Hypertrophic, flat, wart-like lesions are noted around the anal area. Laboratory studies show the following:Hct: 40%Hgb: 14 g/dLWBC: 13,000/mLDiff: 50% segmented neutrophils, 50% lymphocytesWhich of the following is the most useful laboratory test in this patient?

AHuman papillomavirus (HPV) serology
BRapid Plasma Reagin (RPR) test
CNucleic acid amplification test for Chlamydia
DBlood cultures
Medicine
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