This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Shock, Subject name: Surgery
[{'content': 'Most common feature of polytrauma in pediatric age group:- \nSelect and explain. \nA. Hypothermia, B. Hypovolemic shock, C. Hypotension, D. Hypoxemia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Most common feature of polytrauma in pediatric age group is hypovolemic shock.', 'role': 'assistant'}]