When performing a cardiovascular assessment, what would the nurse understand about an S3 heart sound? Select all that apply

Can be caused by a poorly compliant (stiff) ventricle

Can occur with congestive heart failure

Heard just after S1

Always pathologic

An expected finding in adolescents

Answer and Explanation

Correct Answer : A,B,E

A. An S3 is often associated with a stiff or poorly compliant ventricle.
B. An S3 heart sound can be an indication of congestive heart failure in adults, as it reflects increased fluid volume and pressure in the ventricles.
C. S3 is heard just after S2, not S1.
D. The S3 heart sound is not always pathologic. It is often benign in children, adolescents, and young adults, where it may occur due to a rapid filling phase of the ventricles.
E. In adolescents and younger individuals, an S3 heart sound is usually considered a normal finding.

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Correct Answer is B

Explanation

A. Poor electrical impulse conduction may lead to arrhythmias but does not cause a murmur.
B. A heart murmur is caused by turbulent blood flow, often through narrowed or leaking valves, creating an abnormal heart sound.
C. Left ventricular enlargement can contribute to other cardiac issues but does not directly cause murmurs.
D. Weak atrial contractions may lead to decreased cardiac output but not necessarily to a murmur.
E. While hypertension can affect the heart, it is not the direct cause of a murmur.

A. pulmonic B. tricuspid C. aortic D. mitral

Correct Answer is ["A","C"]

Explanation

A. Pulmonic valve closure is best heard at the base of the heart, near the second intercostal space at the left sternal border.
B. Tricuspid valve sounds are best heard at the lower left sternal border, near the apex rather than the base of the heart.
C. Aortic valve closure is also best heard at the base of the heart, near the second intercostal space on the right sternal border.
D. Mitral valve sounds are heard best at the apex of the heart, near the fifth intercostal space in the midclavicular line, not the base.

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When performing a cardiovascular assessment, what would the nurse understand about an S3 heart sound? Select all that apply

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Naxlex Comprehensive Predictor Exams

A client asks the nurse to describe what causes a murmur. What would be the correct response by the nurse?

Correct Answer is B

Explanation

When listening to heart sounds, which valve closures are heard best at the base of the heart. Select all that apply.

Correct Answer is ["A","C"]

Explanation

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