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: Orthopaedics
[{'content': 'Severely injured patient with spinal fracture and unconsciousness first thing to be done is - \nSelect and explain. \nA. GCS scoring, B. Spinal stabilization by cervical collar, C. Mannitol drip to decrease ICT, D. Airway maintenance', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Airway management is the first priority in trauma patients.', 'role': 'assistant'}]