This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach & Duodenum, Subject name: Surgery
[{'content': 'A 60 years old male had a sudden fall in toilet. His BP was 90/50 mm Hg and PR= 100/min. His relatives repoed that he is a known case of hypeension and CAD plus had a history passing black tarry coloured stools (multiple episodes) and was regularly taking aspirin, atenolol and sorbitrate. The most likely diagnosis: \nSelect and explain. \nA. Gastric ulcer with bleeding, B. Acute MI with cardiogenic shock, C. Acute CVA, D. Pulmonary embolism', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hypotension in an elderly patient with history of aspirin intake and complaints of black stool suggests GI bleeding due to drug induced gastritis. Bleeding peptic ulcer due to NSAIDs is more frequent in individuals >60 years of age due to increased use of NSAIDs in this group.', 'role': 'assistant'}]