Using a Stethoscope, You Listen to a Beating Heart and Hear

question 46

Multiple Choice

Using a stethoscope, you listen to a beating heart and hear "lub-dup, lub-dup." These sounds are created by

• A) muscles in the left ventricle.
• B) blood flowing through the aorta.
• C) blood pressure differentials from chamber to chamber.
• D) blood recoiling against the closed valves.

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Definitions:

Bed Rest

A medical recommendation or treatment which involves prolonged periods of lying down, often used to promote healing or prevent worsening of a condition.

Baseline Blood Pressure

The initial blood pressure measurement used as a reference point to monitor changes over time or assess the effects of interventions.

Respiratory Function

The performance and health of the respiratory system, including the process of breathing and the exchange of oxygen and carbon dioxide in the body.

Body Alignment

The optimal placement of body parts so that bones and joints are in correct anatomical position, minimizing strain and improving function.