A nurse is caring for a child who is receiving oxygen. Which of the following findings indicates oxygen toxicity?
Hyperventilation
Increased blood pressure
Decreased PaCO2
Unconsciousness
The Correct Answer is D
Choice A reason: Hyperventilation can be a sign of oxygen toxicity as the body attempts to balance oxygen and carbon dioxide levels.
Choice B reason: Increased blood pressure is not typically a direct sign of oxygen toxicity; it may be related to other underlying conditions.
Choice C reason: Decreased PaCO2 can be a result of hyperventilation, which is a compensatory mechanism in response to oxygen toxicity.
Choice D reason: Unconsciousness can be a severe sign of oxygen toxicity, indicating a high level of oxygen in the blood affecting brain function.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Assessing the mouth with a tongue blade is not recommended postoperatively as it can cause discomfort and disrupt the surgical site.
Choice B reason: Removing the packing in the mouth is typically done by a healthcare provider, not immediately postoperatively, to avoid bleeding and protect the repair.
Choice C reason: Placing the infant in an upright position is recommended to facilitate breathing and reduce swelling⁷.
Choice D reason: Offering a pacifier with sucrose is not advisable as it can interfere with the healing of the cleft repair⁷.
Correct Answer is D
Explanation
Choice A reason: Preschool-age children are beginning to understand causality, but they do not fully grasp the cause of illnesses, which often involves complex biological processes.
Choice B reason: While preschoolers are becoming more aware of their bodies, they typically do not have a detailed understanding of body functioning.
Choice C reason: Preschoolers may describe how they feel when they are ill, but they usually cannot accurately describe the manifestations of illnesses.
Choice D reason: Preschoolers often engage in magical thinking, where they believe their thoughts can cause events. This is a normal part of their cognitive development and can include relating fears to magical thinking.
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