The nurse prepares to begin a systematic assessment of a client's heart sounds. Upon positioning the stethoscope as seen in the picture, which should the nurse do first?

Listen for abnormal sounds.

Identify S1 and S2 heart sounds.

Move the stethoscope to the apical site.

Change to the bell of the stethoscope.

Answer and Explanation

The Correct Answer is B

A. Listen for abnormal sounds. Before identifying abnormal sounds, it's essential to first establish a baseline by identifying the normal heart sounds (S1 and S2).

B. Identify S1 and S2 heart sounds. This is the correct first step in a systematic assessment of heart sounds. S1 ("lub") corresponds to the closure of the atrioventricular valves (mitral and tricuspid), while S2 ("dub") corresponds to the closure of the semilunar valves (aortic and pulmonic).

C. Move the stethoscope to the apical site. While the apical site is important for auscultating specific heart sounds, it's best to first identify S1 and S2 at the traditional auscultatory areas (aortic, pulmonic, tricuspid, and mitral).

D. Change to the bell of the stethoscope. The bell of the stethoscope is used to listen for lower-pitched sounds, but it's not typically used for identifying S1 and S2 heart sounds, which are higher-pitched.

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Free Nursing Study Resources

Correct Answer is C

Explanation

A. Obtain a dietary consultation for nutrition teaching: Diet might play a role in some thyroid conditions, but a referral for dietary consultation wouldn't be the first step.

B. Instruct the client in the need to use iodized salt: Iodine deficiency can cause goiter (enlarged thyroid gland), but most table salt in developed countries is iodized.

C. Request diagnostic laboratory testing for the client: This is the most appropriate next step. Blood tests can help determine the cause of the enlarged thyroid gland.

D. Schedule a follow-up appointment in one month: A follow-up might be needed, but further workup is essential to determine the cause of the finding.

A. A bubbling sound heard during inspiration and expiration in the central airways. B. A crowing noise heard during inspiration over the trachea. C. Popping, nonmusical sounds heard in the lung bases, usually during inspiration. D. Superficial squeaking or grating sounds heard during inspiration and expiration.

Correct Answer is C

Explanation

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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The nurse prepares to begin a systematic assessment of a client's heart sounds. Upon positioning the stethoscope as seen in the picture, which should the nurse do first?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

When performing a physical assessment, palpation reveals to the clinic nurse that a client has an enlarged thyroid gland. What action should the nurse take in response to this finding?

Correct Answer is C

Explanation

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

Correct Answer is C

Explanation

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