Days after breaking his nose in a football game, Ben still perceives a dull pain in his nose.The dull ache travels along pain fibers, which are .
A)slow; unmyelinated
B)slow; myelinated
C)fast; unmyelinated
D)fast; myelinated

Question

Quizplus · Accepted Answer

Pain fibers that transmit dull, aching pain are known as C fibers and are unmyelinated, which means they conduct impulses more slowly than myelinated fibers. Therefore, choice A is the best answer.

Days After Breaking His Nose in a Football Game, Ben