A nurse is educating a client with cystic fibrosis (CF) about airway clearance techniques. Which of the following airway clearance methods involves the use of a mechanical device to deliver high-frequency chest wall oscillations?

Postural drainage

Autogenic drainage

Positive expiratory pressure (PEP) therapy

High-frequency chest wall oscillation (HFCWO)

Answer and Explanation

The Correct Answer is D

A) Incorrect. Postural drainage involves positioning the body to help drain mucus but does not use a mechanical device.

B) Incorrect. Autogenic drainage is a technique that involves controlled breathing and airflow, not a mechanical device.

C) Incorrect. PEP therapy uses a device to provide positive pressure during exhalation but is different from HFCWO.

D) Correct. High-frequency chest wall oscillation (HFCWO) involves using a mechanical device to deliver oscillations to the chest wall, helping to mobilize and clear mucus from the airways.

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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.

A. "CF primarily affects the upper respiratory tract, leading to frequent sinus infections." B. "CF causes inflammation and obstruction of the airways, leading to chronic lung infections and lung damage." C. "CF typically results in enlarged tonsils and adenoids, which can affect breathing." D. "CF mainly affects the bronchial tubes, causing chronic cough but not lung infections."

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.

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A nurse is educating a client with cystic fibrosis (CF) about airway clearance techniques. Which of the following airway clearance methods involves the use of a mechanical device to deliver high-frequency chest wall oscillations?

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