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    Ati Lpn Mental Health Level 4 Ngn Proctored Exam
    Calculation

    A nurse is preparing to administer diphenhydramine 35 mg IM to a client who has schizophrenia. Available is diphenhydramine for injection 50 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

    mL

    Explanation & Rationale

    Step 1: Ordered dose = 35 mg. Step 2: Available concentration = 50 mg/mL. Step 3: Required volume = Ordered dose ÷ Concentration. = 35 ÷ 50. = 0.7. The correct answer is: 0.7 mL.

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