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

"CF is caused by a dominant genetic mutation that always manifests in affected individuals."

"CF results from the presence of two recessive genetic mutations, one inherited from each parent."

"CF is due to a spontaneous genetic mutation that occurs during a person's lifetime."

"CF is exclusively caused by environmental factors and is not related to genetics."

Answer and Explanation

The Correct Answer is B

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) Correct. CF is caused by the inheritance of two recessive genetic mutations, one from each parent, resulting in defective CFTR protein function.

C) Incorrect. CF is primarily a genetic disorder present from birth, not one caused by spontaneous mutations during a person's lifetime.

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

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Correct Answer is C

Explanation

A) Incorrect. Meconium ileus is a complication typically seen in newborns with CF, not in adults.

B) Incorrect. Failure to thrive is a concern in infants and young children with CF but not typically in adults.

C) Correct. Osteoporosis is a common complication in adults with CF due to malabsorption of calcium and vitamin D, chronic inflammation, and reduced physical activity.

D) Incorrect. Rapid growth and development are typically observed in adolescents, not as a complication but as a part of normal growth.

A. Frequent nosebleeds B. Chronic cough with thick mucus production C. Rapid weight gain D. High blood pressure

Correct Answer is B

Explanation

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

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Naxlex Comprehensive Predictor Exams

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?

Correct Answer is C

Explanation

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?

Correct Answer is B

Explanation

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

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

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 educating a client about the etiology of cystic fibrosis (CF). Which statement by the client accurately describes the genetic basis of CF?

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?

A nurse is providing education to a client with cystic fibrosis (CF). Which dietary recommendation is most appropriate for the client?

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