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': 'Internal splints (fixation devices) are used in all except \nSelect and explain. \nA. Compound fractures, B. Multiple fractures, C. Fractures in elderly patients, D. Fracture neck of femur', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Compound fracture', 'role': 'assistant'}]