A recording of how the volume of blood at a given pressure point in the body changes as a pressure wave passes through that point is called a(n) ________.
A) sphygmomanometer
B) ECG
C) plethysmogram
D) None of the listed responses is correct.

Question

Quizplus · Accepted Answer

A recording of how the volume of blood at a given pressure point in the body changes as a pressure wave passes through that point is called a plethysmogram. A sphygmomanometer is a device used to measure blood pressure, and an ECG is used to measure the electrical activity of the heart.

A Recording of How the Volume of Blood at a Given