This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
[{'content': 'Sympathetic stimulation has following effect on insulin release \nSelect and explain. \nA. Stimulation, B. Inhibition, C. Inhibition followed by stimulation, D. No effect', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Sympathetic stimulation decreases the release of insulin Ref: guyton and hall textbook of medical physiology 12 edition page number:610,611,612', 'role': 'assistant'}]