Vascular anatomy · USMLE Step 1

A patient has ischemia of the midgut. Which artery is primarily affected?

  1. Celiac trunk
  2. Superior mesenteric artery
  3. Inferior mesenteric artery
  4. Median sacral artery
Show answer and explanation

Correct answer: Superior mesenteric artery

The superior mesenteric artery supplies the midgut, including most of the small intestine and part of the large intestine. SMA occlusion causes severe abdominal ischemia.

Difficulty: Medium Question 8 of 20

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