A client with COPD should receive only 1-2 liters per minute of oxygen, if needed, or they may lose their hypoxic drive. Which of the following statements is correct about hypoxic drive?
The client breathes only when their oxygen levels climb above a certain point.
The client breathes only when their carbon dioxide levels climb above a certain point.
The client doesn't notice they need to breathe.
The client breathes only when their oxygen levels dip below a certain point.
The Correct Answer is D
Choice A reason: This statement is incorrect because it suggests that higher oxygen levels trigger breathing, which is not the case in hypoxic drive.
Choice B reason: While carbon dioxide levels do influence breathing, this statement is not accurate in the context of hypoxic drive, which is specifically about oxygen levels.
Choice C reason: This choice is incorrect because the client does notice the need to breathe, but the trigger is low oxygen rather than high carbon dioxide levels.
Choice D reason: This is correct. In clients with COPD, chronic high levels of carbon dioxide can lead to a reliance on low oxygen levels to stimulate breathing.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Lying prone may be part of the care plan but is not specifically aimed at promoting ambulation.
Choice B reason: Coordination exercises are important but secondary to building the strength necessary for using mobility aids.
Choice C reason: Building upper body strength is essential for a patient who has had an above-the-knee amputation to be able to use assistive devices for ambulation effectively.
Choice D reason: Maintaining residual limb elevation is important for reducing swelling but does not directly promote ambulation.
Correct Answer is ["A","B","D"]
Explanation
Choice A reason: Deep breathing and coughing exercises help clear the lungs and prevent atelectasis, a common postoperative respiratory complication.
Choice B reason: Incentive spirometry encourages patients to take deep breaths, which can help keep the lungs clear of mucus and prevent pneumonia.
Choice C reason: Leg exercises improve circulation and can help prevent blood clots, which can lead to pulmonary embolism, another serious respiratory complication.
Choice D reason: Early ambulation, or getting the patient moving as soon as possible after surgery, is crucial for preventing respiratory complications by promoting circulation and lung expansion.
Choice E reason: Hand squeezes are not directly related to preventing respiratory complications; they are more associated with preventing circulatory complications.
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