The prescriber orders Cefaclor 100 mg p.o. q.i.d. It is available as 125 mg / 5 mL. How much Cefaclor should be given for each dose?
2 mL
3 mL
4 mL
5 mL
4 mL
Rationale: By using D/H x Q = X, this order is calculated as follows: X = 100 mg --------- 125 mg x 5 mL = 4 -- 5 x 5 = 20 --- 5 = 4 mL
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