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    HESI RN Dosage Calculation Proctored Exam
    Calculation

    The healthcare provider prescribes interferon beta-1b 0.0625 mg SUBQ every other day for a client with multiple sclerosis. The nurse reconstitutes the single-use vial of powder labeled, "0.3 mg with 1.2 mL of sterile water." How many mL should the nurse administer to the client? (Enter the numerical value only. If rounding is required, round to the nearest hundredth.)

    mL

    Explanation & Rationale

    Step 1: Identify the concentration. 0.3 mg/1.2 mL = 0.25 mg/mL Step 2: Calculate the volume needed. 0.0625 ÷ 0.25 = 0.25 mL

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