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: Pharmacology
[{'content': 'The major neurotransmitter released at end organ effectors of the sympathetic division of the autonomic nervous system is: \nSelect and explain. \nA. Adrenaline, B. Nor–adrenaline, C. Dopamine, D. Acetylcholine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: - Neurotransmitters at end organ.\n\nSympathetic\n\nAll organs except sweat glands and hair follicle - Noradrenaline/Norepinephrine\nSweat gland and hair follicle- Acetylcholine\n\n\nParasympathetic\n\nAcetylcholine', 'role': 'assistant'}]