A nurse is counseling a couple planning to start a family, and both partners have a family history of cystic fibrosis (CF). What should the nurse advise the couple regarding the genetic risk of having a child with CF?

"You both have a family history of CF, so it is impossible for your child to inherit the condition."

"Since you both carry a single CF gene mutation, your child has a 100% chance of developing CF."

"Your child will inherit CF only if both of you pass on a copy of the CF gene mutation."

"The risk of your child having CF is solely determined by the mother's genetic history."

Answer and Explanation

The Correct Answer is C

A) Incorrect. Both partners having a family history of CF increases the likelihood of carrying CF gene mutations, making it possible for their child to inherit the condition.

B) Incorrect. Having a single CF gene mutation (carrier status) does not guarantee that a child will develop CF; it requires inheriting two CF gene mutations, one from each parent.

C) Correct. CF is an autosomal recessive genetic disorder, which means that a child will have CF only if they inherit two copies of the CF gene mutation, one from each parent.

D) Incorrect. The risk of a child having CF is determined by both parents' genetic history, not solely the mother's.

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Correct Answer is D

Explanation

A) Incorrect. The sweat chloride test is used for CF diagnosis, but it does not analyze genetic mutations.

B) Incorrect. Chest X-rays are used to assess lung changes but do not directly confirm CF by analyzing genetic mutations.

C) Incorrect. Pulmonary function tests assess lung function but do not confirm CF by analyzing genetic mutations.

D) Correct. Genetic testing is a diagnostic procedure commonly used to confirm CF by analyzing the specific CF gene mutations present in an individual.

A. To improve lung capacity B. To prevent respiratory infections C. To maintain electrolyte balance D. To clear mucus and secretions from the airways

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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A nurse is counseling a couple planning to start a family, and both partners have a family history of cystic fibrosis (CF). What should the nurse advise the couple regarding the genetic risk of having a child with CF?

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Naxlex Comprehensive Predictor Exams

A client with suspected cystic fibrosis (CF) is undergoing diagnostic testing. What diagnostic procedure is often used to confirm CF by analyzing the genetic mutations present?

Correct Answer is D

Explanation

A nurse is educating a client with cystic fibrosis (CF) about the importance of airway clearance techniques. What should the nurse explain as the primary goal of these techniques?

Correct Answer is D

Explanation

A nurse is explaining the role of the CFTR protein in cystic fibrosis to a client. Which function of the CFTR protein should the nurse highlight?

A client is inquiring about the genetic basis of cystic fibrosis (CF). Which statement by the nurse provides an accurate explanation?

A nurse is discussing the diagnostic evaluation of cystic fibrosis (CF) with a client. What test is commonly performed to assess lung function and monitor disease progression in individuals with CF?

A nurse is educating a client about the inheritance pattern of cystic fibrosis (CF). What information should the nurse provide regarding the likelihood of a child developing CF if both parents are carriers?

A nurse is educating a client about the etiology of cystic fibrosis (CF). Which statement by the client accurately describes the genetic basis of CF?

A nurse is educating a client with cystic fibrosis (CF) about potential complications of the disease. Which of the following should the nurse mention as a common complication of CF in adults?

A nurse is providing discharge instructions to the parents of a child with cystic fibrosis. Which statement by the parents indicates a need for further education?

A nurse is assessing a client with cystic fibrosis (CF). What respiratory symptom should the nurse expect to find in a client with advanced CF-related lung disease?