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?

"The CFTR protein regulates blood sugar levels in the body."

"CFTR facilitates the transport of oxygen in the bloodstream."

"The CFTR protein controls the movement of chloride ions and water across cell membranes."

"CFTR is responsible for the production of digestive enzymes in the pancreas."

Answer and Explanation

The Correct Answer is C

A) Incorrect. The CFTR protein does not regulate blood sugar levels.

B) Incorrect. CFTR does not play a role in oxygen transport in the bloodstream.

C) Correct. The primary function of the CFTR protein is to regulate chloride ion and water movement across cell membranes, which is disrupted in individuals with CF.

D) Incorrect. The production of digestive enzymes in the pancreas is not a direct function of the CFTR protein.

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Correct Answer is B

Explanation

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

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

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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?

Correct Answer is B

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 educating a client with cystic fibrosis (CF) about airway clearance techniques. Which of the following airway clearance methods involves the use of a mechanical device to deliver high-frequency chest wall oscillations?

A client with cystic fibrosis (CF) asks the nurse about the impact of CF on the respiratory system. What response by the nurse accurately describes the respiratory complications associated with 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 client with cystic fibrosis (CF) is experiencing a pulmonary exacerbation. What treatment approach should the nurse anticipate to help manage this acute worsening of symptoms?

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 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 explaining the typical clinical manifestations of cystic fibrosis (CF) to a newly diagnosed adolescent client. Which symptom should the nurse emphasize as a hallmark of CF?