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A nurse consults a genetic counselor for a client whose mother has Huntington disease and is considering genetic testing. The client states, 'I know I want this test. Why do I need to see a counselor?' How should the nurse respond?
- A. The advanced practice nurse will advise you on whether you should have children or adopt.
- B. Genetic testing can be a stressful experience. Counseling can provide support and education throughout the process.
- C. There is no cure for this disease. The counselor will determine if there is any benefit to genetic testing.
- D. Genetic testing is expensive. The counselor will advocate for you and help you obtain financial support.
Correct Answer: B
Rationale: Genetic counseling provides education about the implications of testing, emotional support, and helps clients make informed decisions. It does not focus on advising about having children, determining testing benefits, or securing financial support.
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A health care provider prescribes genetic testing for a client who has a family history of colorectal cancer. Which action should the nurse take before scheduling the client for the procedure?
- A. Confirm that informed consent was obtained and placed on the clients chart.
- B. Provide genetic counseling to the client and the clients family members.
- C. Provide genetic counseling to the client and the clients family members.
- D. Respect the clients right not to share the results of the genetic test.
Correct Answer: A
Rationale: Informed consent is a legal and ethical requirement before genetic testing to ensure the client understands the procedure, risks, and implications. Providing counseling or respecting confidentiality are important but secondary to confirming consent.
A nurse cares for an adult client who has received genetic testing. The clients mother asks to receive the results. How should the nurse respond?
- A. Obtain a signed consent from the client allowing test results to be released to the mother.
- B. Invite the mother and other family members to participate in genetic counseling with the client.
- C. Encourage the mother to undergo genetic testing to determine if she has the same mutation.
- D. Direct the mother to speak with the client and support the clients decision to share or not to share the results.
Correct Answer: D
Rationale: Client confidentiality is paramount, and only the client can decide to share genetic test results. The nurse should direct the mother to discuss with the client, respecting the client's autonomy and privacy.
A nurse cares for an adult client who has received genetic testing. The clients mother asks to receive the results. How should the nurse respond?
- A. Obtain a signed consent from the client allowing test results to be released to the mother.
- B. Invite the mother and other family members to participate in genetic counseling with the client.
- C. Encourage the mother to undergo genetic testing to determine if she has the same mutation.
- D. Direct the mother to speak with the client and support the clients decision to share or not to share the results.
Correct Answer: D
Rationale: Client confidentiality is paramount, and only the client can decide to share genetic test results. The nurse should direct the mother to discuss with the client, respecting the client's autonomy and privacy.
A nurse is educating a client about genetic screening. The client asks why red-green color blindness, an X-linked recessive disorder noted in some of her family members, is expressed more frequently in males than females. How should the nurse respond?
- A. Females have a decreased penetrance rate for this gene mutation and are therefore less likely to express the traits.
- B. Females have two X-chromosomes and one is always inactive. This inactivity decreases the effect of the gene.
- C. The incidence of X-linked recessive disorders is higher in males because they do not have a second X chromosome to balance expression of the gene.
- D. Males have only one X-chromosomes, which allows two X-linked recessive disorder to be transmitted from father to son.
Correct Answer: C
Rationale: Males have one X and one Y chromosome, so a single recessive allele on their X chromosome will express the disorder, as they lack a second X chromosome to potentially mask it. Females, with two X chromosomes, need both alleles to be recessive to express the disorder, making it less common in females.
A nurse cares for a pregnant client who has a family history of sickle cell disease. The client is unsure if she wants to participate in genetic testing. What action should the nurse take?
- A. Provide information about the risks and benefits of genetic testing.
- B. Emphasize with the client and share a personal story about a hereditary disorder.
- C. Teach the client that early detection can minimize transmission to the fetus.
- D. Advocate for the client and her baby by encouraging genetic testing.
Correct Answer: A
Rationale: Providing balanced information about the risks and benefits of genetic testing allows the client to make an informed decision without bias. Sharing personal stories or advocating for testing may influence the client's autonomy inappropriately.