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': 'Slowest conductig nerve fibre is \nSelect and explain. \nA. Pre ganglionic autonomic, B. Post ganglionic autonomic, C. Somatic motors, D. Proprioception', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Postganglionic autonomic fibres are type C fibres which are unmyelinated. Hence they are slowest conducting nerve fibre.', 'role': 'assistant'}]