A client who weighs 172 pounds receives a prescription for levothyroxine 1.6 mcg/kg/day by mouth. The medication is available in 50 mcg scored tablets. How many tablets should the nurse administer?
(Enter numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["2.5"]
The client weighs 172 pounds which is equivalent to 78.02 kg (1 kg = 2.20462 pounds).
The prescription for levothyroxine is 1.6 mcg/kg/day, so the client should receive 124.83 mcg of levothyroxine per day (1.6 mcg/kg/day * 78.02 kg).
The medication is available in 50 mcg scored tablets, so the nurse should administer 2.5 tablets per day (124.83 mcg / 50 mcg/tablet).

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["20"]
Explanation
The client is currently receiving an infusion labeled as 5% Dextrose Injection 500 mL with heparin sodium 25,000 Units. The concentration of heparin in the IV solution is 50 units/mL (25,000 units / 500 mL).
A prescription is received to change the rate of the infusion to heparin 1,000 units/hour.
Since the concentration of heparin in the IV solution is 50 units/mL, the nurse should program the infusion pump to deliver 20 mL/hour of the IV solution (1,000 units/hour / 50 units/mL).
Correct Answer is ["1.0"]
Explanation
-
Calculate the total dose:
- The client weighs 59 kg and the dose is 5 mcg/kg, so the total dose is 59 kg * 5 mcg/kg = 295 mcg.
-
Calculate the volume to administer:
- The medication is available at a concentration of 300 mcg/mL.
- To find the volume, divide the total dose by the concentration: 295 mcg / 300 mcg/mL = 0.9833 mL.
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Round to the nearest tenth:1.0mL
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