•Opiate: Any drug containing or derived from
opium
•Opioid: Any synthetic narcotic
•Nonopioid: A nonnarcotic drug
•Agonist: A drug that binds to the receptor and
stimulates the receptors function.
It mimics the body’s own regulatory function
•Antagonist: A drug that prevents receptor
stimulation
•Addiction: Dependence on narcotics or drugs of
abuse
•Tolerance: Capacity for enduring a large amount of
substance without adverse effects