This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: A.N.S., Subject name: Pharmacology
[{'content': 'Origin of sympathetic fibers - \nSelect and explain. \nA. Cranial, B. Sacral, C. Dorsolumbar, D. None', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Dorsolumbar SympatheticParasymoathetico Origino Distributiono Pre : Past ganglionic fibre ratioDorso-lumber(Tl to L2)Wide1:20 to 1: 100Cranio-sacral (III, VII, IX, X, S2-S4) Limited to head, Neck & trunk 1 :1 to 1 :2 o TransmitterNoradrenaline (Major) Acetylcholine (at some sites) Tackling stress & emergencyAcetylcholineo Important functionAssimilation of food, conservation of energy", 'role': 'assistant'}]