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: Physiology
[{'content': 'True regarding animals that are chronically exposed to cold? \nSelect and explain. \nA. Increased sympathetic stimulation, B. Increased vagal action, C. Increased insulin levels in blood Decrease, D. blood supply to adipose tissue', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Increased sympathetic stimulation', 'role': 'assistant'}]