A nurse is discussing the role of genetic testing in cystic fibrosis (CF) diagnosis with a client. What should the nurse emphasize regarding the importance of genetic testing for CF?
"Genetic testing is primarily used to diagnose CF in infants but is not necessary for older individuals."
"Genetic testing is essential for diagnosing CF at any age, as it can confirm the presence of CF gene mutations."
"Genetic testing is mainly used to determine the severity of CF symptoms but does not aid in diagnosis."
"Genetic testing is reserved for family members of individuals already diagnosed with CF."
The Correct Answer is B
A) Incorrect. Genetic testing for CF is important for individuals of all ages, not limited to infants.
B) Correct. Genetic testing is a crucial diagnostic tool for confirming the presence of CF gene mutations, regardless of the individual's age.
C) Incorrect. Genetic testing is primarily used for diagnosis, not for determining the severity of CF symptoms.
D) Incorrect. Genetic testing is not reserved solely for family members of individuals already diagnosed with CF; it is used for diagnostic purposes in suspected cases of CF.
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Related Questions
Correct Answer is C
Explanation
A) Incorrect. CF occurs at a similar frequency in both males and females.
B) Incorrect. CF is not significantly associated with any specific ethnicity, and the risk is not influenced by being of African descent.
C) Correct. A family history of CF increases the risk because CF is an autosomal recessive genetic disorder, and having affected family members increases the likelihood of carrying CF gene mutations.
D) Incorrect. While CF can affect individuals from any ethnicity, it is primarily a genetic disorder, and family history plays a crucial role in the risk of inheritance.
Correct Answer is D
Explanation
A) Incorrect. While airway clearance techniques can help maintain lung function, their primary goal is not to improve lung capacity.
B) Incorrect. Preventing respiratory infections is an important aspect of CF care, but it is not the primary goal of airway clearance techniques.
C) Incorrect. Maintaining electrolyte balance is important in CF, but it is not the primary goal of airway clearance techniques.
D) Correct. The primary goal of airway clearance techniques in CF is to mobilize and clear mucus and secretions from the airways, improving breathing and reducing the risk of infection.
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