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### Folder 3 File B Worksheet for Test #2 A&P Pharmacology **C. High Flow - Does supply all the patients' inspiratory flow demand.** - Aerosol Mask - Venti Mask - NRB Mask **10. Pulse Oximetry - Measures SpO2.** - Works by red light and infrared light penetrating the finger (ear lobe, toes, etc.)...

### Folder 3 File B Worksheet for Test #2 A&P Pharmacology **C. High Flow - Does supply all the patients' inspiratory flow demand.** - Aerosol Mask - Venti Mask - NRB Mask **10. Pulse Oximetry - Measures SpO2.** - Works by red light and infrared light penetrating the finger (ear lobe, toes, etc.) and collecting on a sensor. - **Cautions:** - Nail polish - Strong lights, including sunlight - Hypothermia - Poor perfusion - Dark skin - More **C. Remember - treat the patient and not the pulse ox.** **11. Air Entrainment Ratios - Relationship of the amount of air vs the amount of O2 that a patient is breathing in.** - **3 ways to compute this:** - By formula