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': 'Sweating as a result of exertion is mediated through \nSelect and explain. \nA. Adrenal hormones, B. Sympathetic cholinergic, C. Sympathetic adrenergic, D. Parasympathetic cholinergic', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Sweat glands have a sympathetic but cholinergic nerve supply.', 'role': 'assistant'}]