Inflammatory Bowel Disease USMLE Step 1 Practice Questions
50 board-style USMLE Step 1 questions in Gastroenterology. Each question shows the correct answer; create a free account for the full explanation and adaptive practice.
- USMLE Step 1 · medium1. A 35-year-old man with a 10-year history of Crohn disease presents to the clinic with a 2-week exacerbation of diarrhea (6-8 loose stools daily), fever (38.2°C), and new-onset p…
- USMLE Step 1 · easy2. A 19-year-old man presents to the emergency department with a 3-day history of bloody diarrhea (12-15 stools/day), severe left lower abdominal cramping, and fever. He has no rec…
- USMLE Step 1 · medium3. A 45-year-old woman with a 15-year history of ulcerative colitis presents to the clinic with progressive fatigue, dyspnea on exertion, and mild jaundice. She denies abdominal pa…
- USMLE Step 1 · easy4. 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…
- USMLE Step 1 · easy5. A 32-year-old woman with ulcerative colitis presents with severe bloody diarrhea (15 stools/day) and cramping abdominal pain. Vital signs show temperature 38.5°C, heart rate 110…
- USMLE Step 1 · hard6. A 42-year-old woman with a 10-year history of ulcerative colitis presents for surveillance colonoscopy. She reports well-controlled symptoms on mesalamine monotherapy with no ab…
- USMLE Step 1 · medium7. A 28-year-old woman with a 5-year history of ulcerative colitis presents to the emergency department with acute onset severe abdominal pain, bloody diarrhea (8-10 stools daily),…
- USMLE Step 1 · easy8. A 29-year-old woman with a 4-year history of Crohn disease presents to clinic for follow-up evaluation. She reports persistent loose stools (4-5 per day) and intermittent crampy…
- USMLE Step 1 · hard9. A 23-year-old woman with a 4-year history of Crohn disease presents to the emergency department with acute onset severe periumbilical abdominal pain, fever (38.9°C), and persist…
- USMLE Step 1 · hard10. A 45-year-old man with a 10-year history of ulcerative colitis presents with a 3-week exacerbation characterized by bloody diarrhea (8-10 stools/day), crampy abdominal pain, and…
- USMLE Step 1 · medium11. A 38-year-old man with a 10-year history of Crohn disease presents to the emergency department with acute-onset periumbilical abdominal pain, nausea, and bilious vomiting for 6…
- USMLE Step 1 · easy12. A 19-year-old woman presents to the emergency department with a 3-week history of bloody diarrhea, abdominal pain, and unintentional weight loss of 3.6 kg (8 lbs). She reports c…
- USMLE Step 1 · medium13. A 27-year-old woman with a 5-year history of ulcerative colitis presents to the emergency department with a 3-day history of crampy abdominal pain, bloody diarrhea 8-10 times da…
- USMLE Step 1 · hard14. A 52-year-old man with 15 years of Crohn disease affecting multiple bowel segments presents with acute onset of severe back pain and progressive morning stiffness lasting 2 hour…
- USMLE Step 1 · medium15. A 29-year-old man with newly diagnosed Crohn disease limited to the terminal ileum presents with abdominal pain, bloody diarrhea, and fever (38.2°C). Vital signs: BP 118/76, HR…
- USMLE Step 1 · medium16. A 19-year-old woman presents with a 6-week history of bloody diarrhea, fecal urgency, and lower abdominal cramping. She reports 4-6 bowel movements daily with visible blood. Vit…
- USMLE Step 1 · medium17. A 34-year-old man with a 6-year history of Crohn disease presents to the emergency department with a 3-day history of progressive right lower quadrant pain, abdominal distension…
- USMLE Step 1 · medium18. A 28-year-old woman with a 5-year history of ulcerative colitis presents to the emergency department with severe crampy abdominal pain, bloody diarrhea (15–20 stools daily), and…
- USMLE Step 1 · hard19. A 35-year-old man with a 6-year history of Crohn disease presents to the emergency department with a 3-day history of increased bloody diarrhea (8-10 stools daily), fever, and s…
- USMLE Step 1 · medium20. A 42-year-old woman with a 15-year history of ulcerative colitis presents for surveillance colonoscopy. She reports well-controlled symptoms on mesalamine monotherapy, with no d…
- USMLE Step 1 · hard21. A 26-year-old man with Crohn disease of the terminal ileum presents to clinic with worsening right lower quadrant pain and early satiety over the past 4 weeks despite 8 weeks of…
- USMLE Step 1 · hard22. A 34-year-old man with Crohn disease presents to the emergency department with a 3-week history of fever, productive cough, and progressive dyspnea. He has been on infliximab mo…
- USMLE Step 1 · medium23. A 27-year-old woman with a 5-year history of ulcerative colitis presents with a 2-week history of increased bloody diarrhea (8-10 stools daily), severe crampy abdominal pain, an…
- USMLE Step 1 · medium24. A 19-year-old man presents with periumbilical pain that later localizes to the right lower quadrant, accompanied by nausea and low-grade fever. Vital signs show temperature 38.2…