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': 'A 50-year old female presents with sudden blindness .There is Scalp tenderness. There is history of pain while combing the hair. Temporal artery biopsy shows intimal thickening with granulomatous inflammation. Diagnosis is \nSelect and explain. \nA. Giant cell arteritis, B. Takayasu arteritis, C. Polyarteritis nodosa, D. Microscopic Polyangtis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Blindness, Scalp tenderness, Jaw claudication, are feature of Giant cell ateritis.', 'role': 'assistant'}]