Natural analgesia occurs
A) when endogenous opiates bind to P-substance.
B) when endogenous opiates bind to receptors on afferent pain fibers.
C) when acute pain fibers are activated
D) both (a) and (b) above.
E) both (b) and (c) above.

Question

Quizplus · Accepted Answer

Endogenous opiates, such as endorphins, bind to receptors on afferent pain fibers, inhibiting pain transmission and providing natural analgesia.

Natural Analgesia Occurs