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': 'Which of the following is the most common type of shock? \nSelect and explain. \nA. Hypovolemic, B. Cardiogenic, C. Obstructive, D. Distributive', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hypovolemia is probably the most common form of shock and to\xa0some degree, a component of all other forms of shock. Absolute or relative hypovolemia must be excluded or treated in the management of the shocked state, regardless of cause.', 'role': 'assistant'}]