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 D
Explanation
A. The sclera of the eye is yellow while on therapy: Yellowing of the sclera is not a common effect of phenazopyridine but may suggest liver dysfunction, which is not associated with this drug.
B. Urine will have a foul smell while taking this medication: Phenazopyridine does not cause urine to have a foul smell. It only changes the color.
C. Diarrhea and abdominal cramping are expected adverse effects: Gastrointestinal side effects are not typically associated with phenazopyridine.
D. Urine will appear reddish orange: Phenazopyridine, a urinary tract analgesic, can cause a reddish-orange discoloration of the urine, which is harmless but may stain clothing or contact lenses.
Correct Answer is ["7.5"]
Explanation
Order: 750 mg PO
Available: 0.5 g/5 mL
Convert 0.5 g to mg:
0.5g=500 mg
To calculate the volume:
Volumetoadminister= (Ordered dose /Available concentration)× Volumeperavailabledose
= (750mg /500 mg) × 5ml
= 7.5 ml
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