(Select all that apply): A nurse is educating a group of patients about different oxygen delivery devices. Which of the following are examples of low-flow oxygen delivery systems?
Nasal cannula.
Simple face mask.
Venturi mask.
Non-rebreather mask.
Correct Answer : A,B,D
Choice A: Nasal cannula is a low-flow oxygen delivery system. It delivers a variable oxygen concentration depending on the patient's breathing pattern.
Choice B: Simple face mask is also a low-flow oxygen delivery system. It provides a variable oxygen concentration based on the patient's respiratory rate and tidal volume.
Choice C: Venturi mask is not a low-flow system. It is a high-flow oxygen delivery device that provides a fixed oxygen concentration by mixing oxygen with room air.
Choice D: Non-rebreather mask is considered a low-flow oxygen delivery system. It provides a high concentration of oxygen but does not ensure a precise oxygen concentration due to varying patient ventilation.
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Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Switching to a simple face mask is not the appropriate intervention for nasal dryness and irritation. A simple face mask covers the nose and mouth, and it may not provide enough relief for nasal dryness as the oxygen flow is still directed towards the nose.
Choice B rationale:
Increasing the flow rate of oxygen will not directly improve humidity. Nasal dryness and irritation are often caused by the lack of moisture in the delivered oxygen. Increasing the flow rate may worsen the issue.
Choice C rationale:
Assessing the patient's nares for patency and skin integrity is the appropriate intervention. Nasal dryness and irritation can be caused by inadequate humidification of the oxygen. Checking the patency of the nares and the condition of the skin can help identify any issues that may be contributing to the discomfort.
Choice D rationale:
Reassuring the patient that nasal dryness is a normal side effect is not sufficient. While nasal dryness can be a common side effect of using a nasal cannula, it is essential to address the issue and provide appropriate interventions to alleviate the discomfort and prevent complications.
Correct Answer is D
Explanation
Choice A rationale:
Monitoring the patient's respiratory rate, depth, rhythm, and effort is crucial for assessing the effectiveness of oxygen therapy and ensuring proper oxygenation through the tracheostomy collar.
Choice B rationale:
Educating the patient on how to use and care for the tracheostomy collar is essential to ensure the patient's safety and compliance with the therapy.
Choice C rationale:
Implementing safety measures to prevent fire hazards from the oxygen source is crucial, especially when oxygen is delivered via tracheostomy collar, which may have increased oxygen flow rates.
Choice D rationale:
This is the correct choice. All the provided interventions (monitoring respiratory parameters, patient education, and safety measures) are essential components of the plan of care for a patient with a tracheostomy who requires oxygen therapy.
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