The Nurse Explains to a Patient That the Pulse Oximeter

Multiple Choice

The nurse explains to a patient that the pulse oximeter can measure the arterial oxygen by:

A) assessing the amount of blood passing through the sensor.
B) assessing the relative warmth of the skin on the monitored part.
C) measuring the oxygenated hemoglobin through a capillary bed.
D) measuring the respirations to the blood pressure via infrared rays.