Dosage Calculation RN Maternal Newborn Proctored Assessment 3.1 Exam Questions and Correct Answers 2024

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Question: A postpartum mother is prescribed ibuprofen 400 mg every 6 hours as needed for pain relief. The available concentration is 100 mg/5 mL. How many milliliters should the nurse administer for e... ach dose? a) 2 mL b) 10 mL c) 20 mL d) 25 mL Answer: a) 2 mL Explanation: The prescribed dose is 400 mg. Since the concentration is 100 mg/5 mL, the nurse should administer 2 mL for each dose. Question: A newborn with a birth weight of 3.5 kg is prescribed ampicillin at a dose of 50 mg/kg/dose every 12 hours. The available concentration is 100 mg/2 mL. How many milliliters should the nurse administer for each dose? a) 0.5 mL b) 1 mL c) 1.5 mL d) 2 mL Answer: c) 1.5 mL Explanation: The newborn's weight is 3.5 kg, so the dose would be 3.5 kg × 50 mg/kg = 175 mg per dose. Since the concentration is 100 mg/2 mL, the nurse should administer 1.5 mL for each dose. Question: A laboring mother requires an oxytocin infusion at a rate of 10 milliunits/minute. The available solution is 20 units in 1000 mL. At what rate in mL/hour should the nurse set the IV pump? a) 0.5 mL/hour b) 2.5 mL/hour c) 5 mL/hour d) 10 mL/hour Answer: c) 5 mL/hour Explanation: The prescribed rate is 10 milliunits/minute. Since there are 20 units in 1000 mL, the nurse should administer 0.5 mL/minute. Therefore, the rate would be 0.5 mL/minute × 60 minutes = 30 mL/hour. [Show More]

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