Question 6 of 30
Which of the following devices provides the highest percentage of O2 delivery?
A
Nasal cannula.
B
Plastic face mask.
C
Partial rebreathing mask.
D
Non-rebreathing mask.
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Answer & Explanation
The correct answer is Option D: Non-rebreathing mask..
A non-rebreathing mask with a reservoir bag allows for the delivery of high-concentration oxygen, typically providing between 80% to 90% oxygen, which is the highest among standard delivery masks.