Neuromuscular Disorders USMLE Step 1 Practice Question
A 31-year-old woman presents with acute ascending paralysis and areflexia. Vital signs show HR 92/min, BP 138/84 mmHg, RR 18/min, temperature 37.2°C, SpO2 98% on room air. Cerebrospinal fluid analysis reveals protein 85 mg/dL with normal white blood cell count and normal glucose. Electromyography shows demyelinating changes. She denies recent fever. Which of the following infectious agents most commonly precedes this disorder?
Answer choices
- ATreponema pallidum
- BClostridium botulinum
- CCampylobacter jejuniCorrect answer
- DJC virus
- ECorynebacterium diphtheriae
- FCytomegalovirus (CMV) infection
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