The client with paranoid schizophrenia is prescribed aripiprazole (Abilify), a dopamine system stabilizer (DDS). Which statement best describes the scientific rationale for administering this medication?
1. It decreases the anxiety associated with hallucinations and delusions.
2. It increases the dopamine secretion in the brain tissue to improve speech.
3. It reduces positive symptoms of schizophrenia and improves negative symptoms.
4. It blocks the cholinergic receptor sites in the diseased brain tissue.
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