Use Case Study to answer the following questions.
Which nursing intervention is most appropriate when administering IV potassium chloride?
Mix with a dextrose solution only
Administer as a rapid IV push
Monitor for signs of hypernatremia
Ensure the infusion diluted and given via an IV pump
The Correct Answer is D
Rationale:
A. Mix with a dextrose solution only: Potassium can be mixed in various compatible solutions (such as 0.9% NS or D5½NS). There is no requirement that potassium chloride must be mixed only with dextrose-containing fluids.
B. Administer as a rapid IV push: This is dangerous and contraindicated. IV potassium must never be given as a rapid IV push or bolus, as it can cause fatal cardiac arrhythmias. It must be diluted and administered slowly.
C. Monitor for signs of hypernatremia: While electrolyte monitoring is important, hypernatremia is not the main concern when administering potassium. The nurse should focus on monitoring potassium levels and cardiac status.
D. Ensure the infusion is diluted and given via an IV pump: IV potassium chloride must always be diluted in an appropriate IV fluid and administered via an infusion pump to control the rate and avoid complications such as arrhythmias and vein irritation. Also, the infusion rate should typically not exceed 10 mEq/hr through a peripheral vein.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["250"]
Explanation
Rationale:
To calculate the IV pump rate in mL/hr, use the formula:
mL/hr = Total volume (mL) ÷ Total time (hr)
Total volume = 500 mL
Total time = 2 hours
mL/hr = 500 ÷ 2 = 250
Correct Answer is D
Explanation
Rationale:
A. Cabbage is low in potassium and not ideal for correcting hypokalemia.
B. White rice is low in potassium and does not help increase potassium levels.
C. Cheddar cheese contains minimal potassium and is not effective for raising serum potassium.
D. Bananas are rich in potassium and are appropriate to help correct hypokalemia caused by furosemide use.
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