When pain is felt, it is thought that nerve endings are stimulated by
A) activation of stretch receptors.
B) the deformation of Pacinian corpuscles.
C) adrenaline released in response to the damage.
D) chemicals released by damaged or irritated tissue.
E) the release of endorphins.

Question

Quizplus · Accepted Answer

Pain is typically felt when chemicals are released by damaged or irritated tissues, which then stimulate nerve endings. These chemicals can include substances like prostaglandins, bradykinin, and histamine, which play a role in the pain response.

When Pain Is Felt, It Is Thought That Nerve Endings