a drug which producesexcitement, alterness, elevated mood, and decreased fatigue is referred to as a:
stimulant
at the synapse, amphetamine:
increases the release of dopamine from the presynaptic terminal
at the synapses, cocaine:
blocks the reuptake of dopamine
nicotime directly stimulates receptors in the central nervous system and at nerve muscle junctions. these nicotinic receptors are also receptors for which neurotransmitter?
acetylcholine
a drug that relaxes a person and makes them less sensitive to pain is most likely a:
opiate
drugs that grossly dissort perception are known as: