This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
[{'content': 'The synaptic transmission in autonomic ganglia is usually \nSelect and explain. \nA. Adrenergic, B. Mediated by NO, C. Cholinergic, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ref: HL Sharma 3rd ed pg: 132 Major neurotransmitter is ACH followed by Nor epinephrine', 'role': 'assistant'}]