Dosage calculation rn maternal newborn proctored assessment 3.2
Calculation
A nurse is preparing to administer docusate sodium PO to a postpartum client who has a prescription for 200 mg/day in two equally divided doses. The client states she has trouble swallowing tablets and capsules. Therefore, the nurse has obtained docusate sodium liquid 50 mg/5 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
Determine the single dose: Total daily dose / Number of doses per day Given: Total daily dose: 200 mg Doses per day: 2 Single dose: 200 mg / 2 = 100 mg Calculate the volume: (Single dose / Available dose) × Available volume Given; Single dose: 200 mg / 2 = 100 mg Available dose: 50 mg/5 mL Volume (mL) = (100 mg / 50 mg) × 5 mL = 2 × 5 mL = 10 mL The nurse will administer 10 mL of docusate sodium per dose.
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