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 example of: 
Select and explain. 
A. Type C fibers, B. Type A, C. Type B, D. All
A: Type C fibers
Answer: A: Type C fibers 
Explanation: Postganglionic fibers are example of type C fibers They are non myelinated and have slow conduction velocity They have minimal diameter Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:73