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?

Frequent nosebleeds

Chronic cough with thick mucus production

Rapid weight gain

High blood pressure

Answer and Explanation

The Correct Answer is B

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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Correct Answer is C

Explanation

A) Incorrect. CF is an autosomal recessive genetic disorder, meaning that both copies of the CFTR gene must carry a mutation for the condition to manifest.

B) Incorrect. CF is not caused by dominant genetic mutations.

C) Correct. CF results from inheriting two recessive genetic mutations, one from each parent, leading to defective CFTR protein function.

D) Incorrect. CF is primarily a genetic disorder with well-established genetic mutations associated with its development.

A. Genetic testing B. Chest X-ray C. Pulmonary function test D. Sweat chloride test

Correct Answer is D

Explanation

A) Incorrect. Genetic testing is used to confirm CF but does not directly measure chloride ion concentration in sweat.

B) Incorrect. Chest X-rays may be used to assess lung changes in individuals with CF but are not used to measure chloride ion concentration in sweat.

C) Incorrect. Pulmonary function tests assess lung function but do not directly measure chloride ion concentration in sweat.

D) Correct. The sweat chloride test measures the concentration of chloride ions in sweat and is commonly used to confirm CF. Elevated sweat chloride levels are indicative of CF.

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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?

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Naxlex Comprehensive Predictor Exams

A nurse is explaining the pathophysiology of cystic fibrosis (CF) to a newly diagnosed patient. Which statement accurately describes the genetic basis of CF?

Correct Answer is C

Explanation

A nurse is educating a client about the diagnostic process for cystic fibrosis (CF). What diagnostic test measures the concentration of chloride ions in sweat and is often used to confirm CF?

Correct Answer is D

Explanation

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 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?

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A client is inquiring about the genetic basis of cystic fibrosis (CF). Which statement by the nurse provides an accurate explanation?

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 educating a client about the diagnostic evaluation of cystic fibrosis (CF). What test is commonly used to screen for CF in newborns shortly after birth?

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?

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?