Toxicology USMLE Step 1 Practice Question
A 43-year-old woman working in artisanal gold extraction presents with tremor, gingival inflammation, and mood changes. Vital signs show BP 128/82 mmHg, HR 92/min, RR 16/min, temp 37.2°C. She denies recent headaches or vision changes. Serum creatinine is normal. A 24-hour urine collection reveals elevated levels of the toxic metal. Which agent effectively chelates the metal causing her neuropsychiatric and oral manifestations?
Answer choices
- AFomepizole
- BDimercaprolCorrect answer
- CPhytonadione
- DProtamine
- EAtropine
- FDesferrioxamine
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