A nurse is discussing the pathophysiological consequences of cystic fibrosis (CF) with a client. Which of the following best describes how CF affects the respiratory system?

"CF primarily causes airway constriction due to inflammation."

"In CF, the thickened mucus in the airways leads to chronic inflammation, infections, and lung damage."

"CF results in the overproduction of surfactant, causing respiratory distress."

"The CFTR protein in the lungs fails to produce enough oxygen for normal breathing."

Answer and Explanation

The Correct Answer is B

A) Incorrect. While inflammation can be a consequence of CF, it is not the primary cause of airway constriction.

B) Correct. In CF, thickened mucus accumulates in the airways, leading to chronic inflammation, recurrent infections, and progressive lung damage.

C) Incorrect. CF does not result in the overproduction of surfactant, which is a substance that helps reduce surface tension in the lungs.

D) Incorrect. The CFTR protein does not produce oxygen but rather regulates chloride ion and water transport in the lungs

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Correct Answer is D

Explanation

A) Incorrect. If both parents are carriers, their child's risk of having CF is 25%, not 50%.

B) Incorrect. While the risk is increased, having two carrier parents does not guarantee that a child will have CF.

C) Incorrect. If both parents are carriers, their child can inherit two normal genes (no CF), one normal and one CF gene (carrier status), or two CF genes (CF).

D) Correct. When both parents are carriers, there is a 25% chance that their child will inherit two CF genes and have CF, a 50% chance of being a carrier, and a 25% chance of inheriting two normal genes (no CF).

A. "We should encourage our child to drink plenty of water throughout the day." B. "We need to administer all prescribed medications, even if our child seems fine." C. "Our child should avoid close contact with other children to prevent infection." D. "Regular follow-up appointments with the CF care team are essential for our child's health."

Correct Answer is C

Explanation

A) Correct. Staying well-hydrated is important for CF patients to help keep mucus thin and easier to clear.

B) Correct. It's important to administer all prescribed medications as directed to manage the condition effectively.

C) Incorrect. While infection control is important, it is not necessary for the child to avoid close contact with other children. Common-sense hygiene measures should be followed.

D) Correct. Regular follow-up appointments with the CF care team are crucial to monitor the child's health and adjust the treatment plan as needed.

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A nurse is discussing the pathophysiological consequences of cystic fibrosis (CF) with a client. Which of the following best describes how CF affects the respiratory system?

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Naxlex Comprehensive Predictor Exams

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?

Correct Answer is D

Explanation

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?

Correct Answer is C

Explanation

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