A physician ordered Demerol® 75 mg, but the dose on hand is 50 mg/mL. How much should the patient receive?
0.5 mL
1.0 mL
1.5 mL
2.5 mL
1.5 mL
Rationale: By using the formula: 50 mg / 1 mL = 75 mg / X ml, we find that X = 1.5 mL, which is the amount of Demerol® the patient should receive.
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