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 ["167"]
Explanation
The client with pneumonia is receiving a secondary infusion of azithromycin 500 mg in 250 mL of normal saline (NS) to be infused in 90 minutes.
To calculate the infusion rate in mL/hour, we need to divide the total volume of the infusion (250 mL) by the infusion time in hours (90 minutes / 60 minutes/hour = 1.5 hours).
The nurse should program the infusion pump to deliver 167 mL/hour (250 mL / 1.5 hours).
Correct Answer is ["0.25"]
Explanation
Let’s calculate step by step:
Convert weight to kilograms
55lb÷2.2=25kg
Determine dose in mg
0.01mg/kg×25kg=0.25mg
Available concentration
1mg/mL
Calculate volume to administer
0.25mg1mg/mL=0.25mL
Final Answer: 0.25
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