Heroin and other opiate drugs are thought to be functionally similar to .
A)dopamine
B)acetylcholine
C)endorphins
D)GABA
E)serotonin

Question

Quizplus · Accepted Answer

Heroin and other opiates bind to opioid receptors in the brain and mimic the effects of endorphins, which are naturally occurring pain relievers and mood regulators in the body. Dopamine, acetylcholine, GABA, and serotonin are all neurotransmitters that play important roles in brain function, but they are not directly involved in the effects of opiates.

Heroin and Other Opiate Drugs Are Thought to Be Functionally