Which of the following oxygen delivery devices would potentially provide the HIGHEST fraction of inspired oxygen (FiO₂)?

Question

Quizplus · Accepted Answer

Theoretically non-rebreathing masks can deliver 100% oxygen,assuming that the mask fits snugly on the patient's face and the only source of gas being inhaled by the patient is derived from the oxygen flowing into the mask-reservoir system.However,a valve is removed as a precaution so that the patient can still inhale room air if there is an interruption in the supplemental source of gas flow.The fraction of inspired oxygen (FiO₂)provided with this system is 60% to 80%.

Which of the Following Oxygen Delivery Devices Would Potentially Provide