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?

"CF is caused by a single gene mutation, which can be inherited from one parent."

"CF results from a combination of genetic and environmental factors."

"CF occurs due to an X-linked genetic mutation passed from mother to daughter."

"CF is primarily caused by exposure to respiratory pathogens during infancy."

Answer and Explanation

The Correct Answer is A

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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Correct Answer is D

Explanation

A) Incorrect. Hypertension is not typically associated with CF.

B) Incorrect. Hypoglycemia is not a common manifestation of CF.

C) Incorrect. Chronic diarrhea is not a common symptom of CF.

D) Correct. CF is characterized by thick, sticky mucus that can lead to chronic respiratory infections, making this a key clinical manifestation to monitor.

A. "CF results from a dominant genetic mutation inherited from one parent." B. "CF occurs due to the presence of two dominant genetic mutations." C. "CF is caused by a recessive genetic mutation inherited from both parents." D. "CF is a non-genetic condition caused by environmental factors."

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.

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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?

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Naxlex Comprehensive Predictor Exams

A nurse is assessing a client with cystic fibrosis. Which clinical manifestation is commonly associated with CF and should be monitored closely?

Correct Answer is D

Explanation

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 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?

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?

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 discussing the diagnostic evaluation of cystic fibrosis (CF) with a client. What test is commonly performed to assess lung function and monitor disease progression in individuals with CF?

A nurse is providing discharge instructions to the parents of a child with cystic fibrosis. Which statement by the parents indicates a need for further education?

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 caring for a pediatric client with cystic fibrosis. Which respiratory therapy technique should the nurse prioritize to help manage the client's condition?

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?