The healthcare provider prescribes acyclovir 800 mg PO every 6 hours for an adolescent with chicken pox. The drug is available in 400 mg tablets PO. How many tablets should the nurse administer to the client every 24 hours? (Enter the numeric value only.)
The Correct Answer is ["8"]
Formula:
Total daily dose = Desired dose per administration x Number of administrations per day
Desired dose per administration = 800 mg
Available dose per tablet = 400 mg
Number of tablets per administration = Desired dose per administration / Available dose per tablet
= 800 mg / 400 mg/tablet
= 2 tablets
Number of administrations per day = every 6 hours means 24 hours / 6 hours/administration
= 4 administrations
Total daily tablets = Number of tablets per administration x Number of administrations per day
= 2 tablets/administration x 4 administrations/day
= 8 tablets
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["10.2"]
Explanation
Calculate the prescribed dose in mcg/minute:
Dose (mcg/minute) = Prescribed dose (mcg/kg/min) x Client's weight (kg)
= 3 mcg/kg/min x 91 kg
= 273 mcg/minute
Calculate the total amount of dopamine prescribed per hour:
Dose per hour (mcg/hour) = Dose (mcg/minute) x 60 minutes/hour
= 273 mcg/minute x 60 minutes/hour
= 16380 mcg/hour
Convert the total amount of dopamine in the IV solution to micrograms:
Total dopamine (mcg) = Total dopamine (mg) x 1000 mcg/mg
= 400 mg x 1000 mcg/mg
= 400000 mcg
Determine the concentration of the dopamine solution in mcg/mL:
Concentration (mcg/mL) = Total dopamine (mcg) / Total volume (mL)
= 400000 mcg / 250 mL
= 1600 mcg/mL
Calculate the infusion rate in mL/hour:
Infusion rate (mL/hour) = Desired dose per hour (mcg/hour) / Concentration (mcg/mL)
= 16380 mcg/hour / 1600 mcg/mL
≈ 10.2375 mL/hour
Round to the nearest tenth:
Rounded infusion rate = 10.2 mL/hour
Correct Answer is ["83"]
Explanation
Total volume to be infused = 1 litre
Convert the total volume from liters to milliliters:
Total volume (mL) = Total volume (liters) x 1000 mL/litre
= 1 litre x 1000 mL/litre
= 1000 mL
Identify the infusion time in minutes:
Infusion time (minutes) = Infusion time (hours) x 60 minutes/hour
= 12 hours x 60 minutes/hour
= 720 minutes
Drop factor of the IV administration set = 60 gtt/mL
Calculate the total number of drops to be infused:
Total drops = Total volume (mL) x Drop factor (gtt/mL)
= 1000 mL x 60 gtt/mL
= 60000 gtt
Calculate the infusion rate in drops per minute (gtt/min):
Infusion rate (gtt/min) = Total drops / Infusion time (minutes)
= 60000 gtt / 720 minutes
≈ 83.33 gtt/minute
Round to the nearest whole number:
Rounded infusion rate = 83 gtt/minute
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