What effect do opiate drugs have on dopamine?
A) They increase the synthesis of dopamine.
B) They directly increase the release of dopamine.
C) They indirectly increase the release of dopamine by blocking transmitters that normally block dopamine.
D) They mimic dopamine.

Question

Quizplus · Accepted Answer

Opiate drugs such as heroin or morphine indirectly increase the release of dopamine by blocking transmitters that usually inhibit dopamine. This leads to an increase in dopamine release and activation of the brain's reward system, producing feelings of pleasure and reinforcing drug use.

What Effect Do Opiate Drugs Have on Dopamine