What is status asthmaticus?
A chronic form of asthma that causes persistent symptoms
An asthma attack that is triggered by vigorous exercise
A mild asthma attack that resolves with bronchodilators
A severe asthma attack that does not respond to therapy
The Correct Answer is D
Choice A reason: Chronic asthma involves persistent symptoms managed over time, not an acute, life-threatening event. Status asthmaticus is an acute, severe exacerbation unresponsive to standard treatments, requiring urgent intervention, making this choice incorrect for describing status asthmaticus.
Choice B reason: An asthma attack triggered by exercise is exercise-induced bronchospasm, not status asthmaticus. Status asthmaticus is a severe, prolonged attack resistant to therapy, not defined by a specific trigger like exercise, making this choice incorrect.
Choice C reason: A mild asthma attack resolving with bronchodilators responds to standard therapy, unlike status asthmaticus, which is a severe, life-threatening attack unresponsive to bronchodilators and corticosteroids, requiring intensive care, making this choice incorrect for the condition.
Choice D reason: Status asthmaticus is a severe, prolonged asthma attack that does not respond to standard treatments like bronchodilators and corticosteroids. It causes critical airway obstruction and hypoxia, requiring aggressive medical intervention, accurately describing the condition and making this the correct choice.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: High adipokine levels, as in obesity, promote insulin resistance by interfering with insulin signaling, not increasing glucose uptake. This reduces glucose uptake, contributing to hyperglycemia, but the description is inaccurate, making this choice incorrect.
Choice B reason: Type 2 diabetes involves insulin resistance due to insufficient or dysfunctional insulin receptors, reducing glucose uptake in cells, leading to hyperglycemia. This is a primary pathophysiological mechanism, often linked to obesity, making this the correct choice.
Choice C reason: Increased insulin secretion occurs early in type 2 diabetes to compensate for insulin resistance, but the primary issue is receptor dysfunction, not increased secretion. Over time, beta cells may fail, making this choice incorrect.
Choice D reason: Autoimmune destruction of beta cells describes type 1 diabetes, not type 2. Type 2 involves insulin resistance and relative insulin deficiency, not massive beta cell loss, making this choice incorrect for type 2 diabetes.
Correct Answer is A
Explanation
Choice A reason: Landing on the feet from a high fall causes axial loading, compressing the spinal column, often resulting in a compression injury to the spinal cord. This damages cord tissue, making this the correct choice.
Choice B reason: Transection involves complete severing of the spinal cord, typically from penetrating trauma. A fall causing compression is less likely to fully transect the cord, making this choice incorrect.
Choice C reason: Hyperflexion injuries occur when the spine bends forward excessively, as in whiplash. A fall on the feet causes vertical compression, not forward bending, making this choice incorrect for the injury.
Choice D reason: Hyperextension involves backward bending of the spine, not typical in a fall on the feet, which causes axial compression. This mechanism does not fit the described injury, making this choice incorrect.
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