Question

What percentage of people that initially try cocaine become abusers/addicts?
a. 5-10%
b. 10-15%
c. 15-20%
d. 20-25%
e. 25-30%

High doses of methamphetamine or MDMA are associated with:
a. Dysphoria
b. Antipsychotic effects
c. Neuronal protection
d. Neurotoxicity
e. All of the above

Which of the following drugs does NOT have a chemical structure similar to the indoleamine
neurotransmitter serotonin (5-HT)?
a. LSD
b. DMT
c. Mescaline
d. Psilocybin
e. None of the above

Which of the following neurotransmitter systems underlie the psychoactive effects of
hallucinogenic drugs?
a. Serotonin & dopamine
b. Serotonin and glutamate
c. Glutamate and dopamine
d. Glutamate and GABA

Answer 1

1. The correct answer is Option A. 5 to 10 percentage of people that initially try cocaine become abusers/addicts.
2. The correct answer is Option D. High doses of methamphetamine or MDMA are associated with neurotoxicity.
3. The correct answer is Option B. DMT does NOT have a chemical structure similar to the indoleamine
neurotransmitter serotonin (5-HT).
4. The correct answer is Option C. Glutamate and dopamine underlie the psychoactive effects of
hallucinogenic drugs.