Which is the most dangerous electrolyte imbalance?
hyperkalemia
hyponatremia
hypokalemia
hypernatremia
The Correct Answer is A
A. hyperkalemia: Elevated potassium can cause fatal cardiac arrhythmias.
B. hyponatremia: While it can be serious, it typically causes neurologic symptoms and is less immediately life-threatening than hyperkalemia.
C. hypokalemia: Also dangerous but usually less acutely life-threatening than hyperkalemia.
D. hypernatremia: Can cause serious symptoms but not as immediately dangerous to cardiac function.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Turgor: Turgor refers to the skin’s elasticity, which is maintained by hydration and interstitial fluid volume.
B. Tetany: Tetany is a condition of muscle spasms due to low calcium levels.
C. Stridor: Stridor is a high-pitched sound caused by airway obstruction.
D. Dehydration: Dehydration can cause poor skin turgor, but it is not the term for normal skin elasticity.
Correct Answer is D
Explanation
A. water intoxication: Water intoxication refers to excess water intake leading to dilutional hyponatremia.
B. osmotic diuresis: Osmotic diuresis involves loss of water and electrolytes, typically due to high solute levels like glucose.
C. shock: Shock is a complex condition involving inadequate tissue perfusion, not specific to water-only loss.
D. simple dehydration: Simple dehydration refers to loss of pure water without a corresponding loss of electrolytes.
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