This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pathology
[{'content': 'Aoic arch syndrome is due to \nSelect and explain. \nA. PAN, B. Temporal aeritis, C. Takayasu aeritis, D. Burger disease', 'role': 'user'}, {'content': "Answer: C \nExplanation: Takayasu aeritis is a granulomatous vasculitis of mediumsized and larger aeries characterized principally by ocular disturbances and marked weakening of the pulses in the upper extremities. (Robbins basic pathology,9th edition,pg no.353) Takayasu's aeritis is an inflammatory and stenotic disease of mediumand large-sized aeries characterized by a strong predilection for the aoic arch and its branches. For this reason, it is often referred to as the aoic arch syndrome. (Harrison&;&;s principle of internal medicine,18th edition,pg no.)", 'role': 'assistant'}]