This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nerve, Subject name: Physiology
[{'content': 'The nerve fiber type that is most susceptible to hypoxia: \nSelect and explain. \nA. Aa, B. Ab, C. B, D. C', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Fibers most susceptible to pressure Aa > Ab > Ag > Ad > B > C Fibers most susceptible to hypoxia-related injury B > A > C Fibers most susceptible to action of local anaesthetics Ag, Ad > Aa,Ab >B > C', 'role': 'assistant'}]