The recommended dose for acyclovir (Zovirax) is 15 mg/kg/day. How many milligrams of acyclovir (Zovirax) should be administered to a 245 lb. adult each day?
a. 3675 mg c. 367 mg
b. 111 mg d. 1670 mg
ANS: D
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A Incorrect: This is an excessive dose.
B Incorrect: This is a fraction of the dose desired.
C Incorrect: This is a fraction of the dose desired.
D Correct: Divide 245 pounds by 2.2 = 111.4, then multiply 111.4 times 15 mg = 1670 mg.
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