Answer Happy

8. During withdrawal from
chronic heavy alcohol use, ---------of glutamate receptors may
contribute to _______.
a. upregulation; intoxication and memory loss
b. upregulation; hyperexcitability and seizures
c. downregulation; intoxication and memory
loss
d. downregulation; hyperexcitability and seizures
e. sidewaysregulation; peripheral vision problems
9. Ethanol is an
allosteric ------ at GABAA receptors; this is probably
the mechanism of action for its--------
effects.
a. agonist;
anxiety-reducing
b. agonist;
seizure-inducing
c. antagonist;
incoordinating
d. antagonist;
euphoria-inducing
e. agonist;
learning-reducing/memory-reducing
10. Current research suggests that
alcohol increases levels of dopamine in synaptic clefts in the
nucleus accumbens by
a. blocking the reuptake of dopamine.
b. directly or indirectly inhibiting neurons that
inhibit the release of dopamine when alcohol is not present.
c. inhibiting enzymes that break down dopamine in
the synaptic cleft.
d. blocking autoreceptors that normally decrease
dopamine release.
e. decreasing the supply of dopamine precursors in
dopamine-releasing cells
11. Which statement below is TRUE?
a. Burning cannabis products reduces their psychoactive
potency.
b. At least 70 different cannabinoids can be found in
cannabis plants.
c. Although delta-9-tetrahydrocannabinol (THC) is
the most abundant psychoactive component of cannabis, cannabidiol
is a far more potent intoxicant.
d. Mature female cannabis plants without seeds produce
less resin than mature female plants with seeds.
e. Male cannabis plants produce more THC than female
plants.