HESI RN Dosage Calculation Proctored Exam
Calculation
The nurse is preparing to administer methylprednisolone 40 mg IV. The medication vial is labeled, "125 mg per 2 mL." How many mL of medication should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest hundredth.)
mL
Explanation & Rationale
Step 1: Identify the dosage. 40 mg Step 2: Identify the concentration. 125 mg/2 mL = 62.5 mg/mL Step 3: Calculate the volume to administer. 40 ÷ 62.5 = 0.64 mL
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