In his first year of college, Ronald began to behave irrationally and hear voices that weren't really there. A psychiatrist diagnosed him as having schizophrenia and prescribed a drug to reduce the psychosis Ronald was experiencing. The intended effect of the drug is likely to
A. elevate the levels of norepinephrine and serotonin in the brain.
B. block or reduce the sensitivity of dopamine receptors.
C. increase dopamine activity in the brain.
D. block the reuptake of norepinephrine by neurons.
Ans: B. block or reduce the sensitivity of dopamine receptors.
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