A nurse is caring for a patient who requires oxygen therapy due to hypoxia. What is the goal of oxygen therapy for this patient?
To provide the highest fraction of inspired oxygen (FiO2) possible.
To use the lowest FiO2 that achieves an acceptable blood oxygen level without harmful side effects.
To maintain a constant FiO2 regardless of the patient's breathing pattern.
To deliver a fixed amount of oxygen that is independent of the patient's condition.
The Correct Answer is B
Choice A rationale:
The goal of oxygen therapy is not to provide the highest fraction of inspired oxygen (FiO2) possible. This approach can be harmful because excessively high FiO2 levels can lead to oxygen toxicity and other side effects, especially in patients with certain conditions like chronic obstructive pulmonary disease (COPD).
Choice B rationale:
The goal of oxygen therapy is to use the lowest FiO2 that achieves an acceptable blood oxygen level without harmful side effects. This approach is known as titrating the oxygen therapy to the patient's needs and helps prevent potential complications associated with excessive oxygen administration.
Choice C rationale:
Maintaining a constant FiO2 regardless of the patient's breathing pattern is not the goal of oxygen therapy. In some cases, patients may require varying FiO2 levels based on their respiratory status, so it is essential to adjust the oxygen delivery accordingly.
Choice D rationale:
Delivering a fixed amount of oxygen that is independent of the patient's condition is not the goal of oxygen therapy. Oxygen therapy should be individualized and tailored to the patient's specific needs to optimize its effectiveness and safety.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
The nurse should not immediately check the patient's oxygen level with a finger device because the priority is to address the hissing sound from the mask and the patient's pale skin color, which could indicate inadequate oxygen delivery.
Choice B rationale:
Instructing the patient to breathe more deeply and slowly won't address the issue of the hissing sound and the possible oxygen delivery problem. The nurse should address the equipment issue first.
Choice C rationale:
This is the correct choice. The nurse should inform the patient that there is a problem with the mask, and it needs to be fixed promptly to ensure adequate oxygen therapy.
Choice D rationale:
Lowering the flow rate may not be appropriate until the nurse has assessed and resolved the problem with the mask. It's essential to troubleshoot the equipment first.
Correct Answer is ["B","C","D"]
Explanation
Choice A rationale:
Venturi masks are not typically used with tracheostomy patients, as they are more suitable for patients with intact upper airways.
Choice B rationale:
Tracheostomy collars are specifically designed for patients with tracheostomies. They provide oxygen directly to the tracheostomy tube, making them appropriate for weaning tracheostomized patients from mechanical ventilation.
Choice C rationale:
T-piece adapters are commonly used for patients with tracheostomies to deliver oxygen. They are simple devices that deliver oxygen directly to the tracheostomy tube.
Choice D rationale:
Aerosol masks are not specifically designed for tracheostomy patients and may not provide adequate oxygen delivery for them.
Choice E rationale:
Mechanical ventilators are not an oxygen delivery device; instead, they are used to provide mechanical ventilation support to the patient and can incorporate various oxygen delivery systems.
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