Oxygen therapy

Oxygen therapy ( 22 Questions)

(Select all that apply) A nurse is caring for a patient who is receiving oxygen therapy via non-rebreather mask at 15 L/min. The nurse should recognize that this device has which of the following advantages?


Correct Answer: A

Choice A rationale:

The non-rebreather mask delivers the highest concentration of oxygen among low-flow systems. This is because the mask has a reservoir bag that fills with oxygen during inhalation, preventing the patient from breathing in room air and allowing them to receive a higher concentration of oxygen.

Choice B rationale:

The non-rebreather mask prevents the patient from rebreathing exhaled air. It has one-way valves that prevent exhaled air from being inhaled again, reducing the risk of carbon dioxide retention.

Choice E rationale:

The non-rebreather mask minimizes the risk of carbon dioxide retention. The presence of one-way valves in the mask ensures that the patient exhales carbon dioxide without rebreathing it, maintaining a proper oxygen and carbon dioxide exchange.

Choice C rationale:

The non-rebreather mask does not provide consistent and precise oxygen delivery. It is a low-flow system, and the delivered oxygen concentration may vary depending on the patient's breathing patterns and other factors.

Choice D rationale:

The non-rebreather mask does not allow room air to enter through exhalation ports. It is a closed system with one-way valves that only permit oxygen to flow into the mask during inhalation.

Questions.




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