Which of the following statements is most accurate concerning the biochemical basis of schizophrenia?
a. The neurotransmitter dopamine is overly active.
b. Dopamine is underactive.
c. Serotonin levels are too low.
d. There is too much glutamate activity.
Answer: A
Rationale: Individuals with schizophrenia have overactive receptors for the neurotransmitter dopamine.
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