Gastroenterology — MCQs

Which diagnostic evaluation is most sensitive for achalasia cardia?

What is the initial investigation of choice in acute Budd-Chiari syndrome?

A 66-year-old woman with a history of chronic alcohol abuse has had headaches and nausea for the past 4 days. She has become increasingly obtunded. On physical examination, she has right upper quadrant tenderness, tachycardia, tachypnea, and hypotension. Laboratory studies show serum AST of 475 U/L, ALT of 509 U/L, alkaline phosphatase of 23 U/L, total bilirubin of 0.9 mg/dL, albumin of 3.8 g/dL, and total protein of 6.1 g/dL. She is treated with N-acetylcysteine. Which of the following drugs has she most likely ingested in excess?

A 45-year-old male presented to the emergency department with chest pain associated with swallowing a piece of meat. He reports similar episodes over the past 3 years, but today's episode was the most severe. He denies a history of regurgitation other than these episodes or heartburn symptoms. There is no difficulty with liquid intake and he has not experienced any weight loss. What is the probable diagnosis in this case?

Which of the following is NOT a hallmark of celiac sprue?

Anti-LKM antibodies are found in which condition?

Which extra-intestinal symptom of IBD worsens with exacerbation of disease activity?

Which one of the following clinical features suggests alcoholism as a cause of liver cirrhosis?

A 38-year-old homeless male develops sudden onset hematemesis following a bout of severe vomiting and retching. He had no complaints prior to the onset of his symptoms. On examination, he is pale and looks anxious. The vital signs are normal. Laboratory investigations show normal liver function tests, a low Hb and high MCV, and a chest X-ray is normal. What would be the likely endoscopic appearance of the problem described?

A 55-year-old man presents with abdominal cramps and diarrhea for the past month. He has a history of similar episodes for the past 20 years, with each episode lasting about two weeks and resolving spontaneously. Stool samples were positive for occult blood, but laboratory studies did not show any ova or parasites. Colonoscopy revealed diffuse, uninterrupted mucosal inflammation and superficial ulceration extending from the rectum to the ascending colon. What complication is this patient at greatest risk for developing?