Fungal and Parasitic Infections USMLE Step 1 Practice Question
A 43-year-old man presents 10 days after consuming undercooked bear meat during a hunting trip with fever (38.9°C), myalgias, and diarrhea. On examination, he has periorbital edema and conjunctival hemorrhages. Vital signs show tachycardia (102 bpm) and tachypnea (20 breaths/min). Laboratory studies reveal marked eosinophilia (18% with absolute count 2,400/μL), elevated creatine kinase (1,200 U/L), and normal liver function tests. Which organism is the most likely causal agent?
Answer choices
- AStrongyloides stercoralis
- BGiardia lamblia
- CTaenia solium
- DDiphyllobothrium latum
- ETrichinella spiralisCorrect answer
- FToxoplasma gondii
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