Your friend slaps you on the arm. Immediately, you feel a sharp, stinging pain that stops promptly after the slap is over. ________ are responsible for this sensation. For about a minute afterward, you feel a dull, lingering sting. ________ are responsible for this sensation.
A)Lamellated corpuscles; Tactile corpuscles
B)Tactile corpuscles; Lamellated corpuscles
C)C fibers; A-delta fibers
D)A-delta fibers; C fibers

Question

Quizplus · Accepted Answer

A-delta fibers are responsible for sharp, fast pain sensations like the initial stinging pain from the slap. C fibers are responsible for slower, duller pain sensations that last longer, like the lingering sting after the slap. Therefore, choice D is the correct answer.

Your Friend Slaps You on the Arm