When you feel the urge to scratch your leg, which nervous fibers are most likely being stimulated?
A) myelinated C fibers
B) unmyelinated A fibers
C) myelinated A fibers
D) unmyelinated C fibers

Question

Quizplus · Accepted Answer

Unmyelinated C fibers are responsible for transmitting the sensation of itching, which can lead to the urge to scratch. The other nerve fibers listed are involved in other types of sensory perception, such as pain (myelinated A fibers) and temperature or touch (myelinated and unmyelinated A fibers).

When You Feel the Urge to Scratch Your Leg, Which