This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Aneurysms, Subject name: Surgery
[{'content': 'Peripheral aneurysm - \nSelect and explain. \nA. Popliteal artery, B. Femoral artery, C. Radial artery, D. Brachial artery', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Popliteal artery o Popliteal artery aneurysm accounts for 70% of all peripheral aneurysms; two-thirds are bilateral,o Almost all patients (97%) with popliteal artery aneurysms are male.o Open suigica! reconstruction with a saphenous vein bypass is the current gold standard for repair.", 'role': 'assistant'}]