There Are ____ of WBCs

question 9

Multiple Choice

There are ____ of WBCs.

• A) hundreds
• B) thousands
• C) millions
• D) billions

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Definitions:

Oxygen Saturation

The measurement of the percentage of oxygen bound to hemoglobin in the blood, indicating the efficiency of oxygen transport.

Afterload

Resistance to left ventricular ejection; the work the heart must overcome to fully eject blood from the left ventricle.

Blood Pressure Cuff

A device used to measure blood pressure, consisting of an adjustable cuff that can be inflated to constrict the arm and a gauge that measures pressure.

Pulse Oximeter

A medical device that noninvasively measures the saturation of oxygen in a patient's blood and changes in blood volume in the skin, providing a visual indication of the pulse rate.