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. While coughing is important, huff coughing is a more effective and less strenuous airway clearance technique for CF patients.

B) Incorrect. Controlled breathing exercises may help with relaxation but are not the primary airway clearance technique.

C) Correct. Huff coughing is a technique where the client takes a deep breath and forcefully exhales in short bursts, helping to move mucus from the airways.

D) Incorrect. Vigorous exercise is beneficial for CF patients but should not replace specific airway clearance techniques.

A. "CF is caused by a single gene mutation, which can be inherited from one parent." B. "CF results from a combination of genetic and environmental factors." C. "CF occurs due to an X-linked genetic mutation passed from mother to daughter." D. "CF is primarily caused by exposure to respiratory pathogens during infancy."

Correct Answer is A

Explanation

A) Correct. CF is primarily caused by mutations in a single gene, the CFTR gene, and it can be inherited from one parent, resulting in a carrier state, or from both parents for the disease to manifest.

B) Incorrect. While genetic factors are the primary cause of CF, environmental factors can exacerbate symptoms but are not the root cause.

C) Incorrect. CF is not an X-linked genetic disorder; it follows an autosomal recessive pattern of inheritance.

D) Incorrect. CF is not caused by exposure to respiratory pathogens during infancy; it is primarily a genetic disorder.

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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?

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Naxlex Comprehensive Predictor Exams

A nurse is teaching a client with cystic fibrosis about airway clearance techniques. Which technique should the nurse recommend that the client perform daily?

Correct Answer is C

Explanation

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?

Correct Answer is A

Explanation

A nurse is discussing the clinical manifestations of cystic fibrosis (CF) with a newly diagnosed adolescent client. What common respiratory symptom should the nurse emphasize as an early sign of CF?

A nurse is discussing the role of genetic testing in cystic fibrosis (CF) diagnosis with a client. What should the nurse emphasize regarding the importance of genetic testing for 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 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 assessing a client with cystic fibrosis. Which clinical manifestation is commonly associated with CF and should be monitored closely?

A nurse is caring for a child with cystic fibrosis (CF). What gastrointestinal symptom commonly observed in CF should the nurse be vigilant for?

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 client with suspected cystic fibrosis (CF) is undergoing diagnostic testing. What diagnostic procedure is often used to confirm CF by analyzing the genetic mutations present?