Which of the following is true regarding the role of dopamine in schizophrenia?
A) Medications that block dopamine activity can produce schizophrenia-like hallucinations and delusions.
B) An overactive dopamine system may be the major biochemical culprit in many cases of schizophrenia.
C) Phencyclidine (PCP, or angel dust) can reduce schizophrenia-like symptoms by acting on synapses that use dopamine as their neurotransmitter.
D) The dopamine hypothesis of schizophrenia accounts for 90% to 95% of the symptoms that people with schizophrenia experience.
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