Toxicology USMLE Step 1 Practice Question
A 29-year-old man with a history of intravenous drug use is found unresponsive in a public restroom. Vital signs show BP 88/56, HR 52, RR 5, temperature 36.2°C, and SpO2 78% on room air. Examination reveals pinpoint pupils, track marks on bilateral forearms, and absent bowel sounds. Arterial blood gas shows pH 7.21 with PaCO2 68 mmHg. There is no evidence of trauma or recent seizure activity. Which agent should be administered immediately?
Answer choices
- AN-acetylcysteine
- BAtropine
- CFomepizole
- DNaloxoneCorrect answer
- EFlumazenil
- FGlucagon
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