The physician orders Demerol 50 mg IV every 2 hours PRN for pain. The medication comes in a single-dose ampule with 75 mg/mL. How many mL will you give the patient?
1. 1.5 mL
2. 0.50 mL
3. 0.66 mL
4. 1.2 mL
3
A single- or multiple-dose ampule labeled with a certain volume is a form of parenteral medica-tion. Calculate this as: Desired (50 mg)/Available (75 mg) = 0.66 mL.
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