Phencyclidine (PCP), which can produce psychotic symptoms resembling schizophrenia, has which effect?
a. It inhibits the NMDA glutamate receptors
b. It interferes with dopamine release.
c. It prolongs activity at serotonin synapses.
d. It directly stimulates acetylcholine receptors.
a
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A group of individuals with 46 XY DSD studied in the Dominican Republic:
a. had a deficiency in 5-alpha reductase b. had a genetic defect that could be a result of frequent intermarriage among relatives c. switched from a female to a male gender identity after puberty d. all of the above
How does alcohol lead to the behavioral problems associated with fetal alcohol syndrome?
a. It prevents the transmission of inhibitory synaptic messages b. It causes too much myelin to form around the axons in the brain. c. It causes some neurons that get too little stimulation to self-destruct. d. It prevents oxygen and nutrition from reaching the brain of the fetus.