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 ["1.7"]
Explanation
Desired dose = 1,000,000 units
Available concentration = 1,200,000 units / 2 mL
Calculate the volume to administer:
Volume to administer (mL) = Desired dose (units) / Available concentration (units/mL)
= 1,000,000 units / (1,200,000 units / 2 mL)
= 1,000,000/600,000 mL
≈ 1.666... mL
Round to the nearest tenth:
Rounded volume = 1.7 mL
Correct Answer is ["2.5"]
Explanation
Convert the client's weight from pounds to kilograms:
Weight (kg) = Weight (pounds) / 2.2 pounds/kg
= 172 pounds / 2.2 pounds/kg
≈ 78.18 kg
Calculate the prescribed daily dose in micrograms:
Daily dose (mcg) = Prescribed dose (mcg/kg/day) x Client's weight (kg)
= 1.6 mcg/kg/day x 78.18 kg
≈ 125.088 mcg
Calculate the number of tablets to administer:
Number of tablets = Desired dose (mcg) / Available dose per tablet (mcg/tablet)
= 125.088 mcg / 50 mcg/tablet
≈ 2.50176 tablets
Rounding to the nearest tenth:
Rounded number of tablets = 2.5 tablets
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