This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
[{'content': 'Best way to prevent gas gangrene is \nSelect and explain. \nA. Imnunoglobulins, B. Hyperbaric oxygen, C. Proper wound debridement, D. Anti gas gangrene serum', 'role': 'user'}, {'content': 'Answer: C \nExplanation: .Prevention of gas gangrene * Proper debridement of devitalised crushed wounds * Devitalised wounds should not be sutured. * Adequate cleaning of the wounds with H2O2 and normal saline. * Penicillin as prophylactic antibiotic. ref:SRB&;s manual of surgery,ed 3,pg no 46', 'role': 'assistant'}]