The sibling of a client with schizophrenia states to the nurse: "I understand there is a genetic link to this disorder. Can you tell me anything more about that?" The nurse should respond:
1. "As long as you are not identical twins, the occurrence in siblings is just a coincidence."
2. "You should have gene testing if you are concerned you will develop the disease."
3. "Recent research indicates schizophrenia is linked mainly to an excess in brain neurotransmitters, not genetics."
4. "Siblings of people with schizophrenia have a much higher incidence of the having the disease as well."
Answer: 4
1. Siblings having a ninefold-increased risk of having the disease.
2. Genetic testing can help identify susceptibility for the disease, but this option does not provide the best answer to the client's question.
3. The causes of schizophrenia are multifactorial, including imbalances of neurotransmitters, genetic components, structural brain changes, and environmental factors.
4. Siblings having a ninefold-increased risk of having the disease.
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