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. CF primarily affects the lower respiratory tract, particularly the bronchi and bronchioles, rather than the upper respiratory tract.

B) Correct. CF leads to thickened mucus in the airways, which can cause inflammation, recurrent infections, and progressive lung damage.

C) Incorrect. Enlarged tonsils and adenoids are not a typical manifestation of CF-related respiratory complications.

D) Incorrect. CF affects both the bronchial tubes and the entire respiratory system, often leading to chronic lung infections.

A. Frequent nosebleeds B. Chronic cough with thick mucus production C. Rapid weight gain D. High blood pressure

Correct Answer is B

Explanation

A) Incorrect. Frequent nosebleeds are not a hallmark symptom of CF.

B) Correct. A chronic cough with thick, sticky mucus production is a hallmark feature of CF due to the accumulation of mucus in the respiratory tract.

C) Incorrect. Rapid weight gain is not a typical symptom of CF; in fact, individuals with CF often struggle with poor weight gain and malnutrition.

D) Incorrect. High blood pressure is not a characteristic symptom of CF.

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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 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?

Correct Answer is B

Explanation

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?

Correct Answer is B

Explanation

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 impact of cystic fibrosis (CF) on the digestive system with a client. Which statement accurately describes a common gastrointestinal complication of CF?

A nurse is discussing the underlying genetic defect in cystic fibrosis (CF) with a client. Which of the following statements accurately describes the primary genetic abnormality in CF?

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 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?

A nurse is explaining the diagnostic process for cystic fibrosis (CF) to a client and their family. What initial diagnostic test is often used to assess CF in infants who exhibit symptoms suggestive of the condition?

A nurse is discussing the risk factors for cystic fibrosis (CF) with a client. Which statement accurately identifies a risk factor associated with CF?

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?