A nurse is caring for a client who is receiving oxygen at 5 L/min via nasal cannula and is hypoxic. Which of the following actions is the nurse's priority?
Prepare to intubate the client with an endotracheal tube.
Place a nonrebreather face mask.
Obtain a prescription for arterial blood gases.
Apply noninvasive positive-pressure ventilation.
The Correct Answer is B
Rationale:
A. Prepare to intubate the client with an endotracheal tube: Intubation is an invasive intervention typically reserved for clients with severe or rapidly deteriorating respiratory failure. It is not the first step in managing hypoxia when simpler oxygen delivery methods may be effective.
B. Place a nonrebreather face mask: This is the priority action because a nonrebreather mask delivers high-concentration oxygen (up to 95–100%) and can rapidly correct hypoxia. It is the most appropriate next step when a nasal cannula at 5 L/min is insufficient.
C. Obtain a prescription for arterial blood gases: While important for assessing the severity of hypoxia and guiding further treatment, this diagnostic action does not immediately address the client’s oxygenation needs.
D. Apply noninvasive positive-pressure ventilation: This intervention is beneficial for clients with certain conditions like COPD or heart failure but may not be the first-line response for general hypoxia. A nonrebreather mask is simpler and faster to apply in an acute setting.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Rationale:
A. Provide finger food at mealtime: Clients with dementia often have difficulty using utensils due to declining motor and cognitive function. Offering finger foods supports independence and helps ensure adequate nutritional intake by simplifying the eating process.
B. Give detailed directions when addressing the client: Detailed instructions can be overwhelming and difficult to process for individuals with dementia. Clear, simple, one-step directions are more effective in promoting understanding and cooperation.
C. Use written signs to redirect the client: As dementia progresses, the ability to read and comprehend written information typically declines. Visual or verbal redirection is more effective for guiding behavior in most clients with moderate to severe dementia.
D. Seat the client at a large table for meals: A large table with many people can create a distracting and overstimulating environment. Smaller, quieter settings help the client focus on eating and reduce agitation during meals.
Correct Answer is A
Explanation
Rationale:
A. A pearly, waxy nodule: This is the classic presentation of basal cell carcinoma. These lesions often appear as small, shiny, flesh-colored or pink nodules with a translucent or pearly surface and may have visible blood vessels. They are slow-growing and rarely metastasize.
B. An irregular border on a variegated-colored lesion: This description is more indicative of malignant melanoma, which often appears as an asymmetric lesion with uneven borders and multiple colors, including black, brown, red, or white.
C. A firm, nodular, crusty, or ulcerated lesion: These characteristics are more commonly associated with squamous cell carcinoma, which tends to be more aggressive and can metastasize if untreated.
D. A weeping vesicle: This finding is consistent with inflammatory skin conditions such as contact dermatitis or eczema, not basal cell carcinoma. These vesicles are usually associated with allergic or irritant reactions.
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