A 19-year-old girl sustained multiple long bone fractures as a result of a motor vehicle crash and now is at risk for fat embolism. Which of the following signs and symptoms strongly suggest fat embolism?
Bradypnea, bradycardia, decreased temperature, shortness of breath
Bradypnea, bradycardia, confusion, shortness of breath
Tachypnea, tachycardia, restlessness, petechial rash
Tachypnea, tachycardia, decreased temperature, petechial rash
The Correct Answer is C
Choice A reason: Bradypnea and bradycardia are not characteristic of fat embolism; fat embolism typically produces compensatory tachycardia and tachypnea.
Choice B reason: Although confusion and shortness of breath can occur, bradycardia and bradypnea are inconsistent with fat embolism syndrome.
Choice C reason: Fat embolism syndrome often presents with tachypnea, tachycardia, restlessness, and a petechial rash, which reflect pulmonary, neurological, and dermatologic involvement, making this the classic presentation.
Choice D reason: Decreased temperature is not a hallmark sign of fat embolism; fever may actually occur in some cases, but tachypnea, tachycardia, restlessness, and petechial rash are the strongest indicators.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: The left parietal lobe is primarily involved in language, calculation, and sequential tasks, not spatial construction and praxis, which are essential for clock drawing.
Choice B reason: This choice is correct because the right (nondominant) parietal lobe is responsible for visuospatial processing and praxis, including the ability to perceive spatial relationships and reproduce them accurately, as required in clock-drawing tasks.
Choice C reason: The temporal lobe is involved in memory, auditory processing, and language comprehension, not visuospatial praxis.
Choice D reason: The occipital lobe is responsible for primary visual processing, but the integration of spatial planning for drawing tasks involves parietal lobe function.
Correct Answer is B
Explanation
Choice A reason: Nonprobable cases would have low or zero scores, inconsistent with a score of 3.
Choice B reason: A score of 3 falls within the range indicating probable Lewy body disease, suggesting sufficient clinical features are present for diagnosis.
Choice C reason: Minimally probable cases usually have lower scores, with fewer core features than observed in this patient.
Choice D reason: Highly probable cases are associated with higher LBCRS scores and more pronounced clinical signs than a score of 3.
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