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': 'Throat pack true is: \nSelect and explain. \nA. Not used with cuffed endotracheal tubes, B. Removed prior to extubation, C. Well tolerated by awake patient, D. Should be used even after surgery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: It is imperative that the pack be removed prior to extubation. No throat pack can be kept in place after extubation, as it can cause choking and respiratory collapse.', 'role': 'assistant'}]