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': 'In hypovolemic shock which organ should be assessed for determining under-perfusion? \nSelect and explain. \nA. Kidney, B. Hea, C. Lung, D. Liver', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In hypovolemic shock, kidney has to be assessed for determining under perfusion (Best clinical indicator of tissue perfusion- Urine output)', 'role': 'assistant'}]