Which drugs appear to produce therapeutic effects by blocking receptor sites for dopamine?

Question

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Antipsychotic drugs are known to block the receptor sites for dopamine in the brain, which helps to reduce symptoms of psychosis such as delusions and hallucinations. Antianxiety drugs (A) work on different neurotransmitters such as GABA, while antidepressant drugs (B) primarily affect neurotransmitters such as serotonin and norepinephrine. Mood-stabilizing drugs (D) are used primarily to treat bipolar disorder and work on a variety of neurotransmitters including dopamine, but their mechanisms of action are not fully understood.

Which Drugs Appear to Produce Therapeutic Effects by Blocking Receptor