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    Hesi RN Dosage Calculation WGU Proctored Exam
    Calculation

    A client with chronic constipation reports taking 2 ounces of magnesium hydroxide at bedtime. The bottle is labeled "Magnesium hydroxide saline laxative, USP 400 mg per 5 mL." How many mL should the nurse document in the medical record? (Enter numerical value only.)

    mL

    Explanation & Rationale

    Here's how to calculate the equivalent volume in milliliters (mL) of magnesium hydroxide the client consumes, considering the reported dose in ounces (oz) and the medication label information: 1. Convert ounces (oz) to milliliters (mL): We know 1 ounce (oz) is equivalent to 29.57 mL. Client reported dose: 2 ounces (oz) Volume in mL = Dose in oz * Conversion factor (mL/oz) Volume in mL = 2 oz * 29.57 mL/oz Volume in mL = 59.14 mL (round to nearest tenth) Rounding to the nearest whole number, the nurse should document that the client is taking 59 mL of magnesium hydroxide.

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