Fast pain occurs before slow pain because fast pain impulses travel on which of the following?

Question

Quizplus · Accepted Answer

When fast pain information reaches the somatosensory cortex,an individual is consciously aware of a sharp pain in a specific location.If tissue damage has occurred,the fast pain is followed by slow,aching pain.The onset of slow pain occurs later than fast pain because slow pain impulses travel on smaller,unmyelinated axons,whereas fast pain travels on larger,myelinated axons.

Fast Pain Occurs Before Slow Pain Because Fast Pain Impulses