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: Medicine
[{'content': 'Duroziez’s sign is seen in? \nSelect and explain. \nA. Aortic Regurgitation, B. Aortic Stenosis, C. Mitral Stenosis, D. Mitral Regurgitation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Duroziezs sign is seen in severe aortic regurgitation, gradual pressure over the femoral artery leads to a systolic and diastolic bruit.\nThe systolic murmur is heard best when the proximal femoral artery is compressed and the diastolic when the distal femoral artery is compressed.', 'role': 'assistant'}]