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?

Genetic testing

Chest X-ray

Pulmonary function test

Sweat chloride test

Answer and Explanation

The Correct Answer is D

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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Correct Answer is B

Explanation

A) Incorrect. CF primarily affects the lower respiratory tract, particularly the bronchi and bronchioles, rather than the upper respiratory tract.

B) Correct. CF leads to thickened mucus in the airways, which can cause inflammation, recurrent infections, and progressive lung damage.

C) Incorrect. Enlarged tonsils and adenoids are not a typical manifestation of CF-related respiratory complications.

D) Incorrect. CF affects both the bronchial tubes and the entire respiratory system, often leading to chronic lung infections.

A. Limit carbohydrate intake to control blood sugar levels. B. Increase sodium intake to maintain electrolyte balance. C. Consume a high-calorie diet rich in fats and proteins. D. Restrict fluid intake to prevent excessive mucus production.

Correct Answer is C

Explanation

A) Incorrect. While monitoring carbohydrate intake is important in CF, limiting carbohydrates is not the primary focus of nutrition management.

B) Incorrect. Increasing sodium intake is not a general recommendation for individuals with CF; it depends on the individual's needs.

C) Correct. Individuals with CF often require a high-calorie diet rich in fats and proteins to address malabsorption and maintain adequate nutrition.

D) Incorrect. Restricting fluid intake is not recommended for individuals with CF, as staying hydrated is important for preventing thickening of mucus.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client with cystic fibrosis (CF) asks the nurse about the impact of CF on the respiratory system. What response by the nurse accurately describes the respiratory complications associated with CF?

Correct Answer is B

Explanation

A nurse is discussing nutritional management with a client who has cystic fibrosis (CF). What dietary recommendation should the nurse emphasize to optimize nutritional intake in individuals with CF?

Correct Answer is C

Explanation

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