A nurse is collecting data from a client who is in renal failure. Which of the following findings should the nurse identify as a manifestation of hyperkalemia?
Dry mucous membranes
Hyperactive reflexes
Trousseau's sign
Irregular heart rate
The Correct Answer is D
Choice A reason: Dry mucous membranes signal dehydration, not hyperkalemia directly. High potassium affects cardiac and nerve function, not mucosal hydration status in renal failure.
Choice B reason: Hyperactive reflexes occur in hypocalcemia, not hyperkalemia. Excess potassium depresses nerve and muscle activity, often reducing reflexes instead of enhancing them.
Choice C reason: Trousseau’s sign indicates hypocalcemia, with carpal spasm from cuff pressure. Hyperkalemia in renal failure doesn’t trigger this; it’s a calcium issue.
Choice D reason: Irregular heart rate, like bradycardia or arrhythmias, stems from hyperkalemia’s effect on cardiac conduction. In renal failure, potassium excess disrupts rhythms critically.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Memory loss disrupting ADLs is a dementia hallmark, as progressive neuronal death impairs recall and function. Scientifically, this defines dementia (e.g., Alzheimer’s), distinguishing it from acute states, aligning with chronic cognitive decline impacting daily life per neurological evidence.
Choice B reason: Acute confusion is delirium, not dementia, which develops gradually. Scientifically, dementia’s insidious onset contrasts with delirium’s rapid shift, driven by reversible causes (e.g., infection), making this uncharacteristic of dementia’s chronic progression.
Choice C reason: Illusions (misinterpretations) may occur in dementia but aren’t defining; memory loss is core Jr.. Scientifically, perceptual errors are secondary to cognitive decay, not a primary expectation, as dementia targets memory over sensory processing initially.
Choice D reason: Catatonia, motor immobility, is tied to psychiatric or neurological crises, not dementia. Scientifically, dementia affects cognition, not movement primarily, making this rare and untypical compared to memory-driven functional loss in its pathology.
Correct Answer is A
Explanation
Choice A reason: Steri-strips support incision healing post-laparoscopy, falling off naturally in 7-10 days. This shows correct understanding of wound care instructions.
Choice B reason: Prolonged nausea isn’t expected post-cholecystectomy; it’s minimal with laparoscopy. Persistent symptoms suggest complications, not normal recovery understanding.
Choice C reason: High-fat diets strain digestion post-gallbladder removal, causing discomfort. Low-fat is advised, so this reflects a recovery misconception.
Choice D reason: Diarrhea may occur briefly, but not until diet shifts. Expecting it long-term misinterprets bile adjustment, needing dietary clarification.
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