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': 'In severe injury, first to be maintained is ? \nSelect and explain. \nA. Hypotension, B. Dehydration, C. Airway, D. Cardiac status', 'role': 'user'}, {'content': "Answer: C \nExplanation: Answer is 'c' i.e. Airway ABC is followed i.e. Airway Breathing then Circulation is evaluated in order.", 'role': 'assistant'}]