Practice Quiz

PTA Physical Therapy Assistant

Category - Diseases and Conditions

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Which one of the following oxygen delivery systems is a high-flow system?
  1. Nasal prongs
  2. Transtracheal oxygen catheter
  3. Venturi mask
  4. Partial rebreathing mask
Explanation
Answer: C -Venturi mask is the high-flow oxygen delivery system.

If a patient requires the oxygen to be delivered at FiO2 of 50 % to keep the safe oxygen saturation level, then the high-flow system is used. Venturi mask is the commonly used high-flow system. It provides 24% - 50% oxygen concentration.

Other options are low-flow oxygen delivery systems.

Nasal prongs are commonly used in low-flow oxygen delivery systems. Oxygen flow rate is from 1 liter to 6 liter/ min.
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