What Are the Two Principles of Operation for Pulse Oximetry

question 22

Multiple Choice

What are the two principles of operation for pulse oximetry?
1) Photoplethysmography
2) Tonometry
3) Spectrophotometry
4) Amperometry
5) Potentiometry

• A) 1 and 3
• B) 2 and 4
• C) 1 and 5
• D) 3 and 5

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