This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Intestine get strangulated most commonly in which space \nSelect and explain. \nA. Omental bursa, B. Paraduodenal space, C. Rectouterine space, D. Subphrenic', 'role': 'user'}, {'content': 'Answer: A \nExplanation: When strangulation occurs, the viability of the bowel is threatened\xa0secondary to a compromised blood supply.\nCauses of strangulation:\nExternal\n\nHernial orifices\nAdhesions/bands\n\nInterrupted blood flow\n\nVolvulus\nIntussusception\n\nIncreased intraluminal pressure\n\nClosed-loop obstruction\n\nPrimary\n\nMesenteric infarction', 'role': 'assistant'}]