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.)
The Correct Answer is ["1.5"]
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.7"]
Explanation
The nurse should administer 0.7 mL of diphenhydramine.
Here's the calculation:
Medication dosage: 35 mg (diphenhydramine)
Medication concentration: 50 mg/mL (given on the syringe label)
We need to find the volume (mL) containing the prescribed dose (35 mg) of diphenhydramine.
Volume to administer (mL) = Dose (mg) / Concentration (mg/mL)
Volume to administer (mL) = 35 mg / 50 mg/mL
Volume to administer (mL) = 0.7 mL (round to nearest tenth)
Therefore, the nurse should administer 0.7 mL of diphenhydramine
Correct Answer is ["18"]
Explanation
Here's how to calculate the infusion rate (mL/hour) for the nurse to administer furosemide 60 mg IV every 12 hours:
1. Furosemide dose per administration:
Dose = 60 mg (given)
2. Dosage frequency (conversion from hours to minutes):
Frequency (minutes) = 12 hours/dose * 60 minutes/hour
Frequency (minutes) = 720 minutes/dose
3. Medication concentration:
Concentration = 10 mg/mL (given)
4. Infusion duration:
Duration = 20 minutes (given)
5. We need to find the total volume (mL) of the medication to be delivered and then convert that volume to a rate per hour (mL/hour).
Steps:
a. Calculate the volume to be infused (mL):
Volume (mL) = Dose (mg) / Concentration (mg/mL)
Volume (mL) = 60 mg / 10 mg/mL
Volume (mL) = 6 mL
b. Convert infusion duration from minutes to hours:
Infusion time (hours) = Infusion time (minutes) / 60 minutes/hour
Infusion time (hours) = 20 minutes / 60 minutes/hour
Infusion time (hours) = 1/3 hour
c. Calculate the infusion rate (mL/hour):
Infusion rate (mL/hour) = Volume (mL) / Infusion time (hours)
Infusion rate (mL/hour) = 6 mL / (1/3 hour)
Infusion rate (mL/hour) = 18 mL/hour
Therefore, the nurse should set the infusion pump to deliver approximately 18 mL/hour.
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