The prescription for a 4-month-old is penicillin G 150,000 units intramuscularly bid. The drug is supplied as a unit dose of 600,000 units in a 5-mL vial. How many milliliters (mL) should the nurse provide?
a. 1.25
b. 1.4
c. 1.6
d. 1.8
ANS: B
600,000_mL
5 mL × 150,000 = 1.25 mL
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