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 C

Explanation

A) Incorrect. CF primarily affects the pancreas and small intestine, not the stomach.

B) Incorrect. While liver complications can occur in some individuals with CF, such as liver disease or cirrhosis, it is not a primary manifestation of the disease.

C) Correct. CF often results in thickened mucus obstructing the pancreatic ducts, causing pancreatic insufficiency and malabsorption of essential nutrients.

D) Incorrect. CF primarily affects the pancreas and small intestine rather than the large intestine, and chronic constipation is not a typical symptom of CF.

A. To control blood sugar levels B. To improve lung function C. To aid in the digestion of fats and nutrients D. To increase mucus production in the airways

Correct Answer is C

Explanation

A) Incorrect. PERT is not primarily used to control blood sugar levels; it is used to improve nutrient absorption.

B) Incorrect. While CF management aims to improve lung function, PERT is specifically used to address pancreatic insufficiency and digestive issues.

C) Correct. The primary purpose of PERT in CF management is to replace the missing digestive enzymes and aid in the digestion of fats and nutrients.

D) Incorrect. PERT does not increase mucus production in the airways; it is focused on the digestive system.

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

Correct Answer is C

Explanation

A nurse is discussing pancreatic enzyme replacement therapy (PERT) with a client who has cystic fibrosis (CF). What should the nurse emphasize as the purpose of PERT in CF management?

Correct Answer is C

Explanation

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