When Applying the Pulse Oximeter Sensor to a Patient's Finger

Multiple Choice

When applying the pulse oximeter sensor to a patient's finger, he asks you what it is for. Your response would be:

A) "It provides us with the most accurate measure of your heart rate."
B) "It measures the amount of oxygen being carried by your blood cells."
C) "It tells us how well your heart is pumping blood."
D) "It allows us to monitor your blood pressure."