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 C
Explanation
. "Bradycardia is an early indicator of a pneumothorax.": Tachycardia, not bradycardia, is an early sign of pneumothorax.
B. "Administer a bronchodilator to the child after chest percussion therapy.": Bronchodilators are typically administered before chest physiotherapy to open airways and enhance mucus clearance.
C. "Engage the child in daily aerobic exercise.": Exercise promotes lung function, airway clearance, and overall physical health in children with cystic fibrosis.
D. "A pigeon-shaped chest might become evident as the disease progresses.": This is incorrect; barrel chest deformities, not pigeon chest, are associated with cystic fibrosis.
Correct Answer is ["125"]
Explanation
To calculate the IV rate:
Rate(mL/hr) = Total volume /Time in hours
Rate(mL/hr) = 3000 ml /24 hrs
=125mL/hr
So, the IV pump should be set to 125 mL/hr.
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