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': 'Simulation of post ganglion sympathetic neurons leads to: \nSelect and explain. \nA. Fast EPSP, B. Slow EPSP, C. Slow IPSP, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A i.e. Fast EPSP, B i.e. Slow EPSP, C i.e. Slow IPSP', 'role': 'assistant'}]