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': 'A patient who faints during extraction should be positioned in the: \nSelect and explain. \nA. Lateral position, B. Horizontal position, C. Trendelenburg position, D. Dorsosacral position', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]