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 ["5.5"]
Explanation
Calculate the total volume to administer:
Total volume (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 55 mg / (100 mg / 20 mL)
= 55 mg / 5 mg/mL
= 11 mL
Infusion time in minutes = 2 minutes
Calculate the volume to administer per minute:
Volume per minute (mL/minute) = Total volume (mL) / Infusion time (minutes)
= 11 mL / 2 minutes
= 5.5 mL/minute
Correct Answer is ["180"]
Explanation
Convert the client's weight from pounds to kilograms:
Weight (kg) = Weight (pounds) / 2.2 pounds/kg
= 165 pounds / 2.2 pounds/kg
= 75 kg
Calculate the prescribed dose in mcg/minute:
Dose (mcg/minute) = Prescribed dose (mcg/kg/min) x Client's weight (kg)
= 2 mcg/kg/min x 75 kg
= 150 mcg/minute
Calculate the total amount of dobutamine prescribed per hour:
Dose per hour (mcg/hour) = Dose (mcg/minute) x 60 minutes/hour
= 150 mcg/minute x 60 minutes/hour
= 9000 mcg/hour
Convert the total amount of dobutamine in the IV solution to micrograms:
Total dobutamine (mcg) = Total dobutamine (mg) x 1000 mcg/mg
= 50 mg x 1000 mcg/mg
= 50000 mcg
Determine the concentration of the dobutamine solution in mcg/mL:
Concentration (mcg/mL) = Total dobutamine (mcg) / Total volume (mL)
= 50000 mcg / 1000 mL
= 50 mcg/mL
Calculate the infusion rate in mL/hour:
Infusion rate (mL/hour) = Desired dose per hour (mcg/hour) / Concentration (mcg/mL)
= 9000 mcg/hour / 50 mcg/mL
= 180 mL/hour
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