The most life-threatening effect of renal failure is:
hyperkalemia
hypokalemia
hypernatremia
hyponatremia
The Correct Answer is A
A. Hyperkalemia: Hyperkalemia is the most life-threatening effect of renal failure because elevated potassium levels can cause dangerous cardiac arrhythmias or cardiac arrest.
B. Hypokalemia: Hypokalemia is not commonly associated with renal failure and is less immediately life-threatening than hyperkalemia.
C. Hypernatremia: While fluid imbalances can lead to hypernatremia, it is less critical than hyperkalemia in renal failure.
D. Hyponatremia: Although hyponatremia can occur in renal failure, its effects are typically less acutely life-threatening than hyperkalemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["4"]
Explanation
Order: 40 mg IV daily
Available: 10 mg/mL
To calculate the volume:
Volumetoadminister= Ordered dose /Available concentration
= 40mg /10mg /ml
= 4ml
Correct Answer is B
Explanation
A. Specific gravity: Specific gravity measures urine concentration but does not directly assess renal function.
B. Creatinine: Serum creatinine levels provide the most accurate measure of renal function as they reflect the kidney’s ability to filter waste.
C. Phosphates: Phosphate levels are affected by kidney function but are not the most direct measure.
D. BUN: Blood Urea Nitrogen (BUN) can be affected by other factors like hydration and protein intake, making it less reliable than creatinine.
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