The capacity of morphine and codeine to provide excellent pain relief occurs because these drugs
A) inhibit the uptake of serotonin.
B) cause the loss of physical sensation.
C) exert analgesic properties that resemble those of the body's endorphins.
D) increase central nervous system activity.
E) cause temporary failure within the cerebrum.

Question

Quizplus · Accepted Answer

Morphine and codeine act on the same receptors as the body's endorphins, which are natural painkillers. This allows them to exert their analgesic properties and provide pain relief. They do not inhibit serotonin uptake, cause loss of physical sensation or increase central nervous system activity. Additionally, there is no evidence that they cause temporary failure within the cerebrum.

The Capacity of Morphine and Codeine to Provide Excellent Pain