A nurse is caring for a child with cystic fibrosis (CF) and is assessing the child's respiratory status.
Which of the following findings should the nurse consider as a common respiratory complication of CF?

Increased lung compliance.

Decreased breath sounds.

Normal oxygen saturation.

Clear and thin sputum production.

Answer and Explanation

The Correct Answer is B

Choice A rationale:

Increased lung compliance is not a common respiratory complication of cystic fibrosis (CF).

CF is characterized by the production of thick and sticky mucus in the airways, which leads to decreased lung compliance.

This thick mucus obstructs the airways, making it difficult for the child to breathe.

Choice B rationale:

Decreased breath sounds are a common respiratory complication of CF.

The thick and sticky mucus produced in CF can block the airways, leading to decreased breath sounds upon auscultation.

This can result in impaired air movement and reduced ventilation in affected areas of the lungs.

Choice C rationale:

Normal oxygen saturation is not typically a common respiratory complication of CF.

CF often leads to decreased oxygen saturation due to the impaired lung function caused by mucus buildup and recurrent infections.

Choice D rationale:

Clear and thin sputum production is not a common finding in CF.

CF is associated with the production of thick and sticky mucus, leading to productive cough with thick, tenacious sputum.

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Correct Answer is B

Explanation

"CF is an autosomal recessive genetic disorder.”.

Choice A rationale:

CF is not inherited through an X-linked dominant pattern.

X-linked inheritance involves genes located on the X chromosome, and CF is not linked to this type of inheritance.

Choice C rationale:

CF is not solely related to inheriting a defective CFTR gene from one parent.

While inheriting a mutated CFTR gene is a factor, CF is an autosomal recessive disorder, meaning it requires mutations in both copies of the CFTR gene (one from each parent) for the disease to manifest.

Choice D rationale:

CF is not solely caused by the deletion of phenylalanine at position 508 (F508del).

While this mutation is one of the most common causes of CF, it is not the only genetic variation associated with the disease.

CF can result from various mutations in the CFTR gene.

A. "The CFTR gene mutation causes excessive water transport in the body.” B. "CF results in an overproduction of a specific enzyme that thickens mucus.” C. "The CFTR gene mutation impairs chloride and water transport in cells.” D. "CF primarily affects the production of surfactant in the lungs.”

Correct Answer is C

Explanation

"The CFTR gene mutation impairs chloride and water transport in cells.”.

Choice A rationale:

The CFTR gene mutation does not cause excessive water transport in the body.

In fact, CF leads to a defect in chloride and water transport in cells, which results in the production of thick mucus.

Choice B rationale:

CF does not result in an overproduction of a specific enzyme that thickens mucus.

Instead, it affects the functioning of the CFTR protein, which is responsible for maintaining the balance of chloride and water in cells.

Choice D rationale:

CF does not primarily affect the production of surfactant in the lungs.

Surfactant is a substance that helps prevent the collapse of alveoli in the lungs, and CF primarily affects the mucus and airway clearance, not surfactant production.

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A nurse is caring for a child with cystic fibrosis (CF) and is assessing the child's respiratory status.Which of the following findings should the nurse consider as a common respiratory complication of CF?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is providing education to a parent of a child newly diagnosed with cystic fibrosis (CF).The parent asks, "How is CF inherited?" Which of the following statements by the nurse is correct?

Correct Answer is B

Explanation

A client with cystic fibrosis (CF) is concerned about how this condition affects their body.The client asks, "Why does CF lead to the production of thick mucus in the lungs and other organs?" Which of the following responses by the nurse is accurate?

Correct Answer is C

Explanation

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A nurse is caring for a child with cystic fibrosis (CF) and is assessing the child's respiratory status.
Which of the following findings should the nurse consider as a common respiratory complication of CF?