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
If one of your nerves is compressed and this leads to paraesthesia for some time, the type of nerve fiber affected is probable 
Select and explain. 
A. A α, B. A δ, C. C, D. B
A: A α
Answer: A: A α 
Explanation: The velocity of conduction through a nerve fiber is directly proportional to the thickness of the axon.
Thickest and fastest is A fibers. Among A fibers, the thickest is Aα. Hence the maximum affected by pressure will be Aα.