Gastroenterology Quiz #25: Gastrointestinal Diverticula

1. A 68-year-old man presents to the emergency department with sudden onset of lower left quadrant abdominal pain. He has a fever of 38.3°C (100.9°F) and his white blood cell count is elevated. A CT scan of the abdomen shows thickened colonic wall and pericolonic fat stranding. Which of the following is the most likely diagnosis? 

Question 1 of 5

2. A 72-year-old woman presents with intermittent, crampy abdominal pain and alternating constipation and diarrhea. Colonoscopy reveals multiple outpouchings in the sigmoid colon. Which of the following conditions is most closely associated with the findings in this patient? 

Question 2 of 5

3. A 55-year-old man with a history of diverticulosis presents to the emergency department with acute onset of bright red blood per rectum. He denies abdominal pain. Vital signs are stable, and physical examination is unremarkable except for blood noted on digital rectal examination. Which of the following is the most likely source of his gastrointestinal bleeding? 

Question 3 of 5

4. A 60-year-old man with no significant past medical history presents with a 2-day history of bloody diarrhea and a mild left lower quadrant abdominal pain. He denies recent travel or antibiotic use. His temperature is 37.8°C (100°F). A colonoscopy is performed, showing multiple non-inflamed diverticula in the descending colon and a segment of inflamed mucosa in the sigmoid colon. Which of the following is the most appropriate next step in management?

Question 4 of 5

5. A 50-year-old woman undergoes a screening colonoscopy, which reveals the presence of multiple diverticula in the descending and sigmoid colon. She is asymptomatic. Which of the following is the most appropriate advice for the prevention of diverticulitis in this patient?

Question 5 of 5


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