This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sutures and Anastomoses, Subject name: Surgery
[{'content': 'All of the following decreases the risk of surgical site infection except: \nSelect and explain. \nA. IV antibiotics at induction of anesthesia, B. Staff should always wash their hands between patients, C. Preoperative shaving, D. Avoid hypothermia perioperatively', 'role': 'user'}, {'content': 'Answer: C \nExplanation: AVOIDING SURGICAL SITE INFECTIONS: - Staff should be always wash their hands between patients. - Preoperative shaving should be avoided if possible ( Preoperative clipping of hair is preferred ) - Antiseptic skin preparation should be standardized - Attention to theatre technique and discipline - Avoid hypothermia perioperatively and ensure supplemental oxygenatin in recovery.', 'role': 'assistant'}]