Rn Hesi Dosage Calculations III Proctored Exam
Calculation
The healthcare provider prescribes 0.075 mg of levothyroxine PO daily. The medication is labeled, "50 mcg tablets." How many tablets should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)
tablets
Explanation & Rationale
First, we need to convert the prescribed dose from mg to mcg because the available medication is labeled in mcg. 1 mg is equal to 1,000 mcg. So, 0.075 mg is equal to 75 mcg. Given: The prescription is for 75 mcg of levothyroxine. The available medication is 50 mcg/tablet. We can set up the proportion as follows: 75 mcg/ x tablet = 50 mcg/1 tablet Solving for x gives us the number of tablets that the nurse should administer. Cross-multiplying and solving for x: X = 75 mcg×1 tablet/50 mcg After performing the calculation, we find that x equals 1.5 tablets. So, the nurse should administer 1.5 tablets of the medication. This is rounded to the nearest tenth as per the instructions.
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