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Abdominal aortic aneurysm screening — USMLE Step 3 MCQ

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ModerateAmbulatory Medicine / Primary CareAbdominal aortic aneurysm screeningUSMLE Step 3

A 66-year-old man has a 30 pack-year smoking history and quit 5 years ago. He has hypertension but no abdominal pain, back pain, or family history of aneurysm. Physical examination shows no palpable abdominal mass. Which of the following is the most appropriate screening recommendation?

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

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Correct answer: A — One-time abdominal ultrasonography

Men ages 65 to 75 who have ever smoked should have one-time ultrasound screening for abdominal aortic aneurysm.

Reference: USPSTF A and B Recommendations, 2025-2026: https://www.uspreventiveservicestaskforce.org/uspstf/recommendation-topics/uspstf-a-and-b-recommendations