Gastroenterology — MCQs

A thirty-year-old male presents to the emergency department with symptoms of epigastric pain radiating to the back. He gives a history of epigastric pain that wakes him up at night and is relieved by consuming food. His past history reveals two episodes of perforated duodenal ulcers which were treated with omental patch surgeries. Pain, before and after the surgery, has been controlled with proton pump inhibitors and analgesics. What is the likely diagnosis on this occasion?

A 26-year-old man presents with intermittent cramping abdominal pain and low-volume diarrhea for 3 weeks. On physical examination, he is afebrile; there is mild lower abdominal tenderness but no masses, and bowel sounds are present. A stool sample is positive for occult blood. The symptoms subside within 1 week. Six months later, abdominal pain recurs with perianal pain. On physical examination, there is now a perirectal fistula. Colonoscopy shows many areas of mucosal edema and ulceration, and some areas that appear normal. Microscopic examination of a biopsy specimen from an ulcerated area shows a patchy acute and chronic inflammatory infiltrate, crypt abscesses, and noncaseating granulomas. Which of the following underlying disease processes best explains these findings?

Which of the following is NOT associated with Crohn's disease?

Dementia is a feature of which disease?

Non-alcoholic steatohepatitis is commonly seen in which of the following conditions?

A 29-year-old woman has recently developed milk intolerance. What is the most likely underlying condition?

Which of the following is NOT a complication of reflux esophagitis?

Reflux esophagitis is defined as the esophageal pH being less than which value?

What is the most common symptom of primary biliary cirrhosis?

Which of the following is the most unlikely feature of hepatocellular carcinoma?