A nurse is phoning a provider to report a client's serum potassium of 6.2 mEq/L (3.5-5 mEq/L). Which of the following medications should the nurse expect the provider to prescribe?
Sodium polystyrene sulfonate (Kayexolate)
Lactulose
Acetylcysteine
Potassium iodide
The Correct Answer is A
A. Sodium polystyrene sulfonate (Kayexalate): This medication is used to treat hyperkalemia (high potassium levels) by exchanging sodium ions for potassium ions in the intestines, which helps lower potassium levels. The client’s potassium level is dangerously high at 6.2 mEq/L, so this is the most appropriate treatment.
B. Lactulose: Lactulose is used to treat hyperammonemia in liver failure or constipation. It has no role in managing elevated potassium levels.
C. Acetylcysteine: Acetylcysteine is used to treat acetaminophen overdose or as a mucolytic. It is not indicated for hyperkalemia.
D. Potassium iodide: Potassium iodide is used to protect the thyroid from radiation exposure or to treat certain types of thyroid conditions, not for hyperkalemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["100"]
Explanation
To calculate the IV flow rate, the following formula is used:
Flowrate(gtt/min) = Volume /Time× Dropfactor(gtt/mL)
Given:
- Volume = 100 mL
- Time = 60 minutes
- Drop factor = 60 gtt/mL
Flowrate(gtt/min)= 10060× 60
=1.67×60
=100gtt/min (rounded to the nearest whole number)
Correct Answer is A
Explanation
A. Upright: Sitting upright promotes optimal lung expansion by reducing pressure on the diaphragm and improving ventilation.
B. Side-lying: This may be used for comfort but does not maximize lung expansion.
C. Supine: Lying flat can compromise lung expansion, particularly in respiratory distress.
D. Prone: While prone positioning is used in specific cases of severe respiratory failure (e.g., ARDS), it is not standard for general pneumonia in children.
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