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: Surgery
[{'content': 'Which of the following is used for wound injection grading? \nSelect and explain. \nA. Rank and wakefield classification, B. SEPSIS grading, C. Southampton grading, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Rank and wakefield classification is for wound.\nSouthampton wound Grading system and ASEPSIS wound score are used for wound infection grading.', 'role': 'assistant'}]