High-flow devices include which of the following? 1. Nasal cannula 2. Venturi mask 3. Mask with reservoir bag 4. Oxygen hoods
a. 1 and 2 c. 3 and 4
b. 2 and 3 d. 2 and 4
ANS: D
High-flow devices are also called fixed-performance devices because they provide oxygen at flow rates high enough to completely satisfy a patient's inspiratory demands. These high-flow oxy-gen-delivery devices include air-entrainment masks (Venturi masks), incubators, oxygen tents, oxygen hoods, and high-volume aerosol devices.
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