A pain message to the brain is initiated by the release of any or all of the chemicals except
A)P.
B)bradykinin.
C)pheromones.
D)prostaglandins.

Question

Quizplus · Accepted Answer

Pheromones are chemical signals that influence behavior and physiological responses in other members of the same species, but they are not involved in the pain pathway. The other options (A, B, and D) are all known to contribute to pain signaling by triggering nociceptors or sensitizing them to other stimuli.

A Pain Message to the Brain Is Initiated by the Release