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': 'Emergency treatment required in: \nSelect and explain. \nA. Fracture humerus, B. Fracture pelvis, C. Veical compression injury, D. Car accident', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Veical compression injury', 'role': 'assistant'}]