Inflammatory Bowel Disease USMLE Step 1 Practice Question
A 24-year-old woman presents with a 6-month history of bloody diarrhea, abdominal cramping, and 8-pound weight loss. Vital signs show BP 118/76, HR 92, RR 16, and temperature 37.2°C. Colonoscopy reveals continuous mucosal inflammation and ulceration limited to the colon with rectal involvement. Laboratory studies demonstrate hemoglobin 10.2 g/dL. She denies smoking history and current corticosteroid use. Which diagnosis is most likely?
Answer choices
- AUlcerative colitisCorrect answer
- BCrohn disease
- CInfectious colitis
- DIrritable bowel syndrome
- EIschemic colitis
- FBehçet disease
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