skip to main content

Delirium — USMLE Step 3 MCQ

Instant feedback + full explanation. One question, done properly.

ModerateEthics, Patient Safety, Quality Improvement, Systems-Based PracticeDeliriumUSMLE Step 3

An 82-year-old hospitalized woman becomes acutely inattentive and disoriented overnight after surgery. Symptoms fluctuate during the day. She was previously independent and cognitively intact. She is taking opioids and has a urinary catheter. Which of the following is the most likely diagnosis?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: D — Delirium

Acute fluctuating disturbance in attention and awareness in a hospitalized older adult indicates delirium.

Reference: American Geriatrics Society postoperative delirium guidance: https://www.americangeriatrics.org/