What is the percentage of oxygen a patient receives when 5.5 liters of oxygen and 3 liters of N₂O are delivered per minute? A) 6.4% B) 15% C) 47% D) 64%

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Quizplus · Accepted Answer

The patient receives 64% oxygen when 5.5 liters of oxygen are mixed with 3 liters of air (N₂O represents air in this context). This is because air contains approximately 21% oxygen, and when combined with pure oxygen, the mixture's oxygen percentage can be calculated based on the volumes of oxygen and air mixed.

What Is the Percentage of Oxygen a Patient Receives When