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': 'Neurotransmitter which is released at the end organ of the parasympathetic division of ANS: \nSelect and explain. \nA. Acetylcholine., B. Adrenaline., C. Non adrenaline., D. All of the above.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Non-adrenaline is secreted at the end organ of the sympathetic system except in sweat glands and hair follicle while acetylcholine is released at parasympathetic system.', 'role': 'assistant'}]