A morphine addict experiences a state of euphoria after a dose of morphine, and a postsurgical patient experiences a reduction in pain after the same dosage. This difference in effect most clearly reflects the influence of _____ on drug effects.
A)personality
B)expectations
C)potency
D)age

Question

Quizplus · Accepted Answer

Expectations can significantly influence the effects of drugs on individuals. In the case of the morphine addict, the expectation might be to achieve a state of euphoria, while the postsurgical patient expects relief from pain. These differing expectations can lead to different experiences after taking the same drug.

A Morphine Addict Experiences a State of Euphoria After a Dose