Melek's sister has developed schizophrenia.Her psychiatrist explains that positive symptoms,which include hallucinations and delusions,are associated with overactivity of the dopamine system.The psychiatrist prescribes an antipsychotic,which will block the activity of dopamine.This means that the antipsychotic is a/an

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An antagonist is a drug that blocks the activity of a neurotransmitter, in this case dopamine. Antipsychotics are a type of antagonist commonly used to treat schizophrenia and other psychotic disorders.

Melek's Sister Has Developed Schizophrenia