When auscultating a client's heart sounds, the nurse hears a louder S2 when listening at the 2nd intercostal space right sternal border. The nurse determines that this finding is consistent with the closure of which heart valves?

Pulmonic and tricuspid

Mitral and aortic

Aortic and pulmonic

Tricuspid and mitral

Answer and Explanation

The Correct Answer is C

A. Pulmonic and tricuspid: The tricuspid valve's closure is not primarily audible at the 2nd intercostal space right sternal border; it is better heard at the lower left sternal border.

B. Mitral and aortic: The mitral valve is best heard at the apex of the heart, not the 2nd intercostal space right sternal border.

C. Aortic and pulmonic: The 2nd intercostal space right sternal border is the area where the aortic and pulmonic valves are auscultated. The louder S2 here indicates the closure of these valves, with the aortic valve being the primary source of sound in this area.

D. Tricuspid and mitral: These valves are best heard at other locations, with the tricuspid valve near the lower left sternal border and the mitral valve at the apex.

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Correct Answer is A

Explanation

A. I: A grade I murmur is very faint and may not be heard immediately without careful listening. The description of a murmur heard immediately upon placing the stethoscope indicates it is a grade I.

B. X: There is no grade X in the standard grading scale for heart murmurs.

C. II: A grade II murmur is quiet but easily heard with a stethoscope and would generally be more audible than described.

D. III: A grade III murmur is moderately loud and would be heard without difficulty. The description suggests a quieter murmur.

A. Systolic murmur B. Diastolic murmur C. Absent murmur D. Very faint murmur

Correct Answer is B

Explanation

A. Systolic murmur: Systolic murmurs occur during systole and include conditions like aortic stenosis or mitral regurgitation.

B. Diastolic murmur: Aortic insufficiency/regurgitation occurs during diastole when the aortic valve fails to close properly, allowing blood to flow back into the left ventricle.

C. Absent murmur: Aortic insufficiency/regurgitation is not classified as absent; it is detectable with auscultation.

D. Very faint murmur: Although aortic regurgitation murmurs can vary in intensity, the classification pertains to the timing of the murmur, not its loudness.

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When auscultating a client's heart sounds, the nurse hears a louder S2 when listening at the 2nd intercostal space right sternal border. The nurse determines that this finding is consistent with the closure of which heart valves?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

During chest auscultation, the nurse hears a quiet murmur immediately upon placing the stethoscope on the client's chest. The nurse interprets this as which grade?

Correct Answer is A

Explanation

Aortic insufficiency/regurgitation murmur is classified as a:

Correct Answer is B

Explanation

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