What volume, inmL, of morphine sulfate that comes in10 mL vials at a concentration of 5 mg/mLwill be needed to fill an order for25 mg?
Comprehensive and Detailed Step-by-Step Explanation:
Step 1: Use the formula

Explanation of Answer Choices:C. 2.5Correct.2.5 mL provides the required25 mg dose.A. 0.5 Incorrect. Too low.B. 2 Incorrect. Under-dose.D. 5 Incorrect. Over-dose.
Reference:
USP <795>: Pharmaceutical Calculations
PTCB Exam: Dosage Conversions
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