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."
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A) Incorrect. Frequent nosebleeds are not common gastrointestinal symptoms in CF.
B) Correct. Abdominal pain and bloating are common gastrointestinal symptoms in CF, often due to the impact of thickened mucus on the pancreas and intestines.
C) Incorrect. Rapid weight gain is not a typical gastrointestinal symptom in CF; individuals with CF often struggle with poor weight gain and malnutrition.
D) Incorrect. Muscle weakness is not a common gastrointestinal symptom in CF but may be associated with other complications.
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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