Inflammatory Bowel Disease USMLE Step 1 Practice Question
A 69-year-old woman with peripheral arterial disease presents with severe postprandial abdominal pain occurring 30 minutes after meals for 3 months. She has unintentionally lost 9 kg due to food avoidance. Vitals: BP 142/88, HR 98, RR 18, Temp 37.2°C, SpO2 98% on room air. Physical examination reveals mild abdominal tenderness without distension. Laboratory studies show hemoglobin 11.2 g/dL. CT angiography demonstrates celiac artery stenosis with collateral vessel formation. Which of the following is the most likely diagnosis?
Answer choices
- ABiliary colic
- BChronic mesenteric ischemiaCorrect answer
- CIrritable bowel syndrome
- DAcute pancreatitis
- EPeptic ulcer disease
- FAbdominal aortic aneurysm
See the full explanation
Get the correct-answer rationale, why each distractor is wrong, the underlying mechanism, and high-yield associations — plus adaptive practice that targets your weak areas — with a free MedBoardPRO account.