A child who weighs 44 pounds with otitis media receives a prescription for azithromycin 10 mg/kg once, then 10 mg/kg daily for 4 days. The medication is available in a solution containing 200 mg/5mL. How many mL should the nurse administer on the first day of the treatment regimen? (Enter numeric value only.)
The Correct Answer is ["5"]
Here's how to calculate the volume of medication the nurse should administer on the first day:
1. Convert child's weight to kilograms (kg):
We know 1 kg = 2.205 pounds.
Child weight (kg) = 44 pounds / 2.205 pounds/kg = 20 kg (round to nearest whole number for this calculation).
2. Calculate the total azithromycin medication for the first day (mg):
Prescribed dosage (mg/kg): 10 mg/kg
Child weight (kg): 20 kg (rounded value from step 1)
Total medication on day 1 (mg) = Dosage (mg/kg) x Client weight (kg)
Total medication on day 1 (mg) = 10 mg/kg x 20 kg = 200 mg
3. Determine the volume (mL) needed based on the medication concentration:
Medication concentration (mg/mL): 200 mg/5 mL (given)
Total medication on day 1 (mg): 200 mg (calculated in step 2)
Volume to administer (mL) = Total medication (mg) / Concentration (mg/mL)
Volume to administer (mL) = 200 mg / 200 mg/5 mL
Volume to administer (mL) = 5 mL
Therefore, the nurse should administer 5 mL of the azithromycin solution on the first day.
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Related Questions
Correct Answer is ["42"]
Explanation
Here's how to calculate the infusion rate (gtt/min) for the nurse to regulate:
1. Volume of azithromycin solution:
Volume = 500 mL (given)
2. Infusion duration:
Duration = 2 hours (given)
3. IV administration set gtt/mL:
Rate (gtt/mL) = 10 gtt/mL (given)
4. We need to find the rate (gtt/min) at which the solution should infuse to deliver the total volume (500 mL) over the specified duration (2 hours).
Steps:
a. Convert infusion duration from hours to minutes:
Duration (minutes) = Duration (hours) x Minutes per hour
Duration (minutes) = 2 hours * 60 minutes/hour
Duration (minutes) = 120 minutes
b. Calculate the total number of drops to be infused:
Total drops = Volume (mL) x Rate (gtt/mL)
Total drops = 500 mL * 10 gtt/mL
Total drops = 5,000 drops
c. Calculate the infusion rate (gtt/min):
Infusion rate (gtt/min) = Total drops / Duration (minutes)
Infusion rate (gtt/min) = 5,000 drops / 120 minutes
Infusion rate (gtt/min) = 41.67 gtt/min (round to nearest whole number as requested)
Therefore, the nurse should regulate the infusion at approximately 42 gtt/min.
Correct Answer is ["1.5"]
Explanation
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:
75mcg/ xtablet = 50mcg/1tablet
Solving for x gives us the number of tablets that the nurse should administer.
Cross-multiplying and solving for x:
X = 75mcg×1tablet/50mcg
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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