The directions for reconstitution of mezlocillin IV injection read: "For IV use, reconstitute with 30 mL sterile water for injection. Each 30 mL of reconstituted solution will contain 3 grams of mezlocillin." The patient/client is to receive 1.5 g of mezlocillin IV every 6 hours. How many milliliters would the nurse administer?
A) 1.5
B) 3
C) 15
D) 30

Question

Quizplus · Accepted Answer

Refer to directions on the label. The label reads, "Add 30 mL sterile water for injection. The resulting solution will contain 3 grams of mezlocillin." When solving any problem, first check that the order and the supply are in the same weight measure. For this problem, no equivalent is necessary. Estimate the amount to give. Formula Method: 1.5 g/3 g *30 mL = 45/3 = 15 mL. Proportion (Ratios): 30 mL : 3 g :: x mL : 1.5 g; 3x = 45/3 = 15 mL. Proportion (Fractions): 30 mL/3 g * x mL/1/5 g; 3x = 45/3 = 15 mL. Dimensional Analysis: 30 mL/3 g * 1.5 g = 30 mL * 1.5/3 = 45/3 = 1.5 mL.

The Directions for Reconstitution of Mezlocillin IV Injection Read: "For