This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
Postganglionic fibers are: 
Select and explain. 
A. Type c fibers, B. Type B fibers, C. Both, D. None
A: Type c fibers
Answer: A: Type c fibers 
Explanation: Postganglionic fibers are type C fibers They are non myelinated, they have slow conduction velocity Ref:Guyton and Hall textbook of medical physiology 12th edition,page number: 73