Normal Splitting of the Second Heart Sound Is Associated With

question 31

Multiple Choice

Normal splitting of the second heart sound is associated with:

• A)expiration.
• B)inspiration.
• C)exercise state.
• D)low resting heart rate.

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Definitions:

Aortic Semilunar Valve

A valve in the heart located between the left ventricle and the aorta, preventing blood from flowing back into the heart.

Heart Sound

Sounds produced by the closing of heart valves during the cardiac cycle; typically described as a "lub-dub" sound.

Heart Murmur

An unusual or abnormal sound heard between heartbeats, which can be innocent or indicate a heart problem.

Extra Heart Beat

An additional heartbeat that occurs outside of the normal rhythm, also known as premature contraction.