This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
[{'content': 'Pulsus bisiferiens is best felt in- \nSelect and explain. \nA. Carotid aery, B. Radial aery, C. Brachial aery, D. Femoral', 'role': 'user'}, {'content': 'Answer: B \nExplanation: pulses bisferians is best felt in radial aery and the character is best assesed in carotid aery. Ref Harrison 20th edition pg 1534', 'role': 'assistant'}]