The nurse hears crackles when auscultating a client's lung sounds. Which is an accurate description of the sound of crackles?

A bubbling sound heard during inspiration and expiration in the central airways.

A crowing noise heard during inspiration over the trachea.

Popping, nonmusical sounds heard in the lung bases, usually during inspiration.

Superficial squeaking or grating sounds heard during inspiration and expiration.

Answer and Explanation

The Correct Answer is C

A. A bubbling sound heard during inspiration and expiration in the central airways: This description is accurate. Crackles (also called rales) are often heard in conditions like pulmonary edema or pneumonia.

B. A crowing noise heard during inspiration over the trachea: This description refers to stridor, not crackles. Stridor occurs due to upper airway obstruction.

C. Popping, non-musical sounds heard in the lung bases, usually during inspiration: This description is accurate for crackles. They occur due to fluid or secretions in the alveoli.

D. Superficial squeaking or grating sounds heard during inspiration and expiration: This description refers to wheezes, not crackles. Wheezes are associated with narrowed airways.

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Correct Answer is A

No explanation

A. Kyphosis. B. Barrel chest. C. Lordosis. D. Pectus excavatum.

Correct Answer is A

Explanation

A. Kyphosis: A rounding of the upper back, causing a hunchback appearance. While it can also be caused by other conditions, a mild kyphosis is a common finding in older adults due to weakening muscles and spinal compression.

B. Barrel chest: This refers to a chest that is fixed in an outward position, often caused by chronic obstructive pulmonary disease (COPD) or other lung conditions.

C. Lordosis: An exaggerated inward curve of the lower back, which is not a typical feature of normal aging.

D. Pectus excavatum: A sunken appearance of the chest wall, usually a congenital condition present from birth.

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The nurse hears crackles when auscultating a client's lung sounds. Which is an accurate description of the sound of crackles?

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Explanation

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