Pulse Oximeter: Self-Assessment Questions

1. What is the normal (healthy) range of SpO2 at rest?
2. What does a seven-segment display mean?
3. _____-hemoglobin absorbs more Near-IR light, while _____-hemoglobin absorbs more Red light.
4. How is one’s heart rate determined? What signal is collected? List the parts of the pulse oximeter that are necessary for this signal to be detected.
5. True or False: Pulse oximeters should only be placed at the earlobes and/or fingers in all patients.

Follow this link to check your answers to the Self-Assessment Questions (SAQs) above.