This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
Which of the following has the least conduction velocity? 
Select and explain. 
A. image_question, B. image_question, C. image_question, D. image_question
A: image_question
Answer: A: image_question 
Explanation: Post ganglionic sympathetic (Type C) has the least conduction velocity among the given options Types of nerve fiber Fiber type Function Fiber diameter(mcm) conduction velocity (m/s) A alpha Proprioception 12-20 70-120 A beta Touch, pressure 5-12 30-70 A gamma Motor to muscle spindles 3- 15-30 B Preganglionic autonomic <3 3-15 C, Dorsal root Pain, temperature 0.4-1.2 0.5-2 C, Sympathetic Post ganglionic sympathetic 0.3-1.3 0.7-2.3 Ref: Ganong&;s Review of Medical Physiology 25th edition PGno: 94