Toxicology USMLE Step 1 Practice Question
A 35-year-old farm worker is brought to the emergency department after collapsing in a greenhouse with known pesticide exposure. Vital signs show BP 92/58, HR 128, RR 24, SpO2 88% on room air. He presents with profuse diaphoresis, excessive salivation, wheezing, vomiting, diarrhea, pinpoint pupils, and visible muscle fasciculations. Serum cholinesterase is markedly decreased at 18% of normal. Recent chest X-ray shows no aspiration. Which of the following is the most appropriate immediate pharmacotherapy?
Answer choices
- AFlumazenil
- BNaloxone
- CAtropine plus pralidoximeCorrect answer
- DN acetylcysteine
- EPhysostigmine
- FHydroxocobalamin
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