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?

"Genetic testing is primarily used to diagnose CF in infants but is not necessary for older individuals."

"Genetic testing is essential for diagnosing CF at any age, as it can confirm the presence of CF gene mutations."

"Genetic testing is mainly used to determine the severity of CF symptoms but does not aid in diagnosis."

"Genetic testing is reserved for family members of individuals already diagnosed with CF."

Answer and Explanation

The Correct Answer is B

A) Incorrect. Genetic testing for CF is important for individuals of all ages, not limited to infants.

B) Correct. Genetic testing is a crucial diagnostic tool for confirming the presence of CF gene mutations, regardless of the individual's age.

C) Incorrect. Genetic testing is primarily used for diagnosis, not for determining the severity of CF symptoms.

D) Incorrect. Genetic testing is not reserved solely for family members of individuals already diagnosed with CF; it is used for diagnostic purposes in suspected cases of CF.

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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.

A. "The CFTR protein regulates sodium absorption in the kidneys." B. "The CFTR protein facilitates chloride secretion in the gastrointestinal tract." C. "The CFTR protein controls the production of red blood cells in the bone marrow." D. "The CFTR protein regulates mucus production and the movement of chloride ions in the respiratory and digestive systems."

Correct Answer is D

Explanation

A) Incorrect. The CFTR protein primarily functions in the respiratory and digestive systems, not the kidneys.

B) Incorrect. While CFTR plays a role in chloride secretion, its primary role is related to mucus production and chloride ion movement in the respiratory and digestive systems.

C) Incorrect. The CFTR protein is not involved in the production of red blood cells.

D) Correct. The CFTR protein is responsible for regulating mucus consistency and chloride ion transport in the respiratory and digestive systems.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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 discussing the role of the cystic fibrosis transmembrane conductance regulator (CFTR) protein with a patient. What is the primary function of the CFTR protein in normal physiology?

Correct Answer is D

Explanation

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

A client with cystic fibrosis (CF) presents with clubbed fingers during a routine examination. What should the nurse explain to the client regarding the significance of clubbing in CF?

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?

A nurse is explaining the pathophysiology of cystic fibrosis (CF) to a newly diagnosed patient. Which statement accurately describes the genetic basis of 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 assessing a client with cystic fibrosis (CF). What respiratory symptom should the nurse expect to find in a client with advanced CF-related lung disease?