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': 'Treatment with fracture neck of humerus in a lady will be: \nSelect and explain. \nA. Triangular sling, B. Hemiahropalsty, C. Chest arm bandage, D. Internal fixation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Triangular sling', 'role': 'assistant'}]