This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Murmurs, Subject name: Medicine
[{'content': "Duroziez's sign is seen in? \nSelect and explain. \nA. Aoic Regurgitation, B. Aoic Stenosis, C. Mitral Stenosis, D. Mitral Regurgitation", 'role': 'user'}, {'content': "Answer: A \nExplanation: Duroziez's sign is seen in severe aoic regurgitation 1. Duroziez Sign - Gently press the femoral aery using stethoscope | Murmur in hea d/t turbulence | To and fro murmur Aerial pulse seen with aoic regurgitation : 2. Corrigan's pulse -Water hammer pulse 3. Quincke's sign - Flushing and blanching at distal pa of nail 4. Traube Sign - Pistol shot sounds heard at femoral aery", 'role': 'assistant'}]