This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Not true about the shunt vessel is \nSelect and explain. \nA. It controls temperature regulation, B. It is direct communication between aery and vein, C. It is under control of local mediators, D. It is not under autonomic control', 'role': 'user'}, {'content': "Answer: D \nExplanation: Shunt vessels are under the vaso constructive action of sympathetic nervous system, under the sympathetic control the shunt vessel able to close completely, diveing the blood into normal pathway. Ref: Gray's 39e/p112-127", 'role': 'assistant'}]