Q:

The Korotkoff sounds that are listened for during a blood pressure measurement by the auscultatory method are caused by:

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The Korotkoff sounds that are listened for during a blood pressure measurement by the auscultatory method are caused by:


  1. turbulent blood flow in the aorta.
  2. the difference between systolic pressure and cuff pressure.
  3. turbulent flow in the collapsed brachial artery.
  4. the opening and closing of the heart valves.

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C: Squashing the brachial artery will cause blood flow to be turbulent as it passes through the constriction. This turbulence creates sound that can be detected with a stethoscope.

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