skip to main content

Acute low back pain — USMLE Step 3 MCQ

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

EasyAmbulatory Medicine / Primary CareAcute low back painUSMLE Step 3

A 38-year-old warehouse worker has acute low back pain after lifting boxes. Pain radiates to the buttock but not below the knee. Strength, reflexes, and sensation are normal. He has no fever, cancer history, trauma, weight loss, or bowel or bladder symptoms. Which of the following is the most appropriate next step in management?

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

Reveal the answer and explanation

Correct answer: B — Provide reassurance, activity advice, and nonopioid analgesia

Acute nonspecific low back pain without neurologic deficit or red flags is managed conservatively without immediate imaging.

Reference: Current US clinical practice standards and USMLE Step 3 content outline, https://www.usmle.org/exam-resources/step-3-materials