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 type of shock in surgical practice is? \nSelect and explain. \nA. Cardiogenic shock, B. Hypovolemic shock, C. Neurogenic shock, D. Septic shock', 'role': 'user'}, {'content': 'Answer: B \nExplanation: ANSWER: (B) Hypovolemic shockREF: with textSurgeons routinely encounter hypovolemic shock, with hemorrhage being the most frequent specific cause" (Ref: Sabiston 18th ed chapter 5)The most common cause of shock in the surgical or trauma patient is loss of circulating volume from hemorrhage. (Ref: Schwartz 9th ed chapter 5)', 'role': 'assistant'}]