This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdominal Injury, Subject name: Surgery
[{'content': 'A 40 year male presents with hematemesis. On examination his BP was 90/60 mmHg and Heart Rate was 120/min. Splenomegaly was also present. The most probable cause of his bleeding is: \nSelect and explain. \nA. Portal Hypertension, B. Gastric ulcer, C. Duodenal ulcer, D. Drug-induced GI injury', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans is 'a' i.e. Portal hypertension Among the given options, splenomegaly is most likely to be associated with Portal hypertension.Causes of upper GI bleed (in descending order) Peptic ulcerDuodenal ulcersGastric ulcersOesophageal varicesGastritis, erosionsMallory-Weiss tearsUncommon causesGastric carcinomaEsophagitis PancreatitisHemobiliaVascular lesions", 'role': 'assistant'}]