Which of the following supports a biological basis for schizophrenia?

Question

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All of the options support a biological basis for schizophrenia. A) indicates that environmental factors alone (such as being raised in a schizophrenic household) do not cause the disorder, suggesting a genetic or biological component. B) and C) both relate to the role of dopamine, a neurotransmitter, in schizophrenia, with B) showing that blocking dopamine receptors can alleviate symptoms and C) showing that stimulating these receptors can induce symptoms, both pointing to the biological underpinnings of the disorder. D) directly supports a biological basis through evidence of brain abnormalities in people with schizophrenia, as found in imaging studies.

Which of the Following Supports a Biological Basis for Schizophrenia