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': 'What is the first step taken in case of multiple injuries of face and neck? \nSelect and explain. \nA. Blood transfusion, B. IV fluids, C. Reconstruction, D. Maintenance of airways', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]