Opiate drugs occupy the same receptor sites as

A) serotonin.
B) endorphins.
C) dopamine.
D) epinephrine.

Opiate Drugs

Substances derived from opium or synthetically made to mimic its effects, typically used to relieve pain but also known for their potential for addiction and abuse.

Receptor Sites

Specific locations on cell membranes or within cells where hormones, neurotransmitters, drugs, or other molecules bind to elicit a biological response.

Endorphins

“Morphine within”—natural, opiatelike neurotransmitters linked to pain control and to pleasure.