This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neck, Subject name: Surgery
[{'content': 'Most common site for carbuncle is \nSelect and explain. \nA. Forearm, B. Forehead, C. Nape of neck, D. Calf', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. c (Nape of neck). (Ref LB, 25th /1305)Carbuncle is subcutaneous tissue infection, mostly caused by staphylococci and gas producing organisms in patients with diabetes with nape of neck being classical site for it. Calf is affected mostly in Bazin's disease.", 'role': 'assistant'}]