Mycology/Parasitology USMLE Step 1 Practice Question
A 32-year-old woman presents with a 3-week history of progressive dyspnea, fever, and chest discomfort. Chest X-ray shows bilateral interstitial infiltrates. She recently adopted a cat and lives in southern California. CD4 count is 180 cells/μL. Sputum samples stain with Grocott's methenamine silver. Which of the following is the most likely diagnosis?
Answer choices
- APneumocystis jirovecii pneumoniaCorrect answer
- BTuberculosis
- CCoccidioidomycosis
- DHistoplasmosis
- EAspergillosis
- FToxoplasma gondii encephalitis
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