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USMLE · Question #474
USMLE Question #474: Real Exam Question with Answer & Explanation
The correct answer is D. Microscopic examination of the stool. See the full explanation below for the reasoning.
Question
A 14-year-old girl has had nausea, intermittent diarrhea, and a 2.2-kg (5-lb) weight loss over the past 4 weeks. Examination shows a migrating serpiginous pruritic perianal rash. Her leukocyte count is 8000/mm with 20% eosinophils. Which of the following tests is most likely to yield an accurate diagnosis?
Options
- ABlood smear
- BBone marrow biopsy
- CKOH preparation
- DMicroscopic examination of the stool
- ESkin snip
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