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': 'Management of a case of iliac aery embolism requires \nSelect and explain. \nA. Embolectomy, B. Injection of vasodilators, C. Hypotensive therapy, D. Sympathectomy', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Embolectomy", 'role': 'assistant'}]