Morphine and other opiates have virtually no effect on:
A)the slow pain system.
B)pain from burns or amputations.
C)the fast pain system.
D)pain transmitted by C fibers.

Question

Quizplus · Accepted Answer

Morphine and other opiates primarily affect the slow pain system, which is transmitted by C fibers, rather than the fast pain system. The fast pain system is responsible for the immediate, sharp sensation of pain, which opiates are less effective at mitigating.

Morphine and Other Opiates Have Virtually No Effect On