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 A
Explanation
Choice A reason: Displacement is a defense mechanism where a person redirects a negative emotion from its original source to a less threatening recipient, which is what Mr. Thomas is doing.
Choice B reason: Projection involves attributing one's own unacceptable feelings or thoughts to others, which is not what Mr. Thomas is doing.
Choice C reason: Regression is a return to earlier stages of development when faced with stress, which does not describe Mr. Thomas's behavior.
Choice D reason: Reaction formation involves behaving in a way that is opposite to what one truly feels, which is not indicated in this scenario.
Correct Answer is B
Explanation
Choice A reason: A surgical pause is not a commonly used term for this process.
Choice B reason: A time out is a standardized procedure used to verify the correct patient, procedure, and site before surgery begins.
Choice C reason: The preoperative checklist is a broader list of tasks completed before surgery, not the specific pause for verification.
Choice D reason: Time in is not a recognized term for this verification process in the surgical setting.
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