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    Ati dosage calculation Rn fundamentals proctored assessment 3.2
    Calculation

    A nurse is preparing to administer lidocaine 200 mg IM stat and repeat in 60 min. Available is lidocaine injection 300 mg/3 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

    mL

    Explanation & Rationale

    Identify the given information: Dose of lidocaine: 200 mg Concentration of lidocaine injection: 300 mg/3 mL Calculate the concentration in mg/mL: Concentration = 300 mg / 3 mL = 100 mg/mL Calculate the volume of lidocaine injection to be administered: Volume = Dose (mg) / Concentration (mg/mL) Substitute the values: Volume = 200 mg / 100 mg/mL Volume = 2 mL

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