The preoperative order reads Demerol 60 mg IM on call.The narcotics drawer contains vials labeled meperidine (Demerol) 100 mg/2 mL.How should this be set up in the ratio and proportion method?
A) 60 mg : 100 mg = 2 mL : X mL
B) X mL : 2 mL = 100 mg : 60 mg
C) 100 mg : 2 mL = 60 mg : X mL
D) 2 mL : 60 mg = 100 mg : X mL

Question

Quizplus · Accepted Answer

The correct setup is 100 mg : 2 mL = 60 mg : X mL, which allows you to solve for X, the volume needed to deliver 60 mg.

The Preoperative Order Reads Demerol 60 Mg IM on Call