A nurse is preparing to administer magnesium sulfate 1 g/hr via continuous IV infusion to a client. Available is magnesium sulfate 40 g in 0.9% sodium chloride 000 mL. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["25"]
To calculate the IV pump setting, you need to determine how many milliliters per hour will provide 1 gram of magnesium sulfate. With 40 grams of magnesium sulfate in 1000 mL, you have a concentration of 0.04 grams per mL. To administer 1 gram per hour, divide the desired dose (1 gram) by the concentration (0.04 grams/mL), which equals 25 mL. Therefore, the nurse should set the IV pump to deliver 25 mL per hour.
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Related Questions
Correct Answer is ["4.8"]
Explanation
To calculate the IV pump setting for dobutamine administration, first determine the total mcg per minute for the newborn, which is 10 mcg/kg/min multiplied by the newborn's weight. For a 4 kg newborn, this would be 40 mcg/min. Next, convert the available dobutamine concentration to mcg/mL by dividing the total mg available by the volume in mL, resulting in 250 mg / 500 mL = 0.5 mg/mL, which is equivalent to 500 mcg/mL. Now, divide the newborn's required mcg/min by the concentration in mcg/mL to find the mL/min, which is 40 mcg/min / 500 mcg/mL = 0.08 mL/min. Finally, convert this to mL/hr by multiplying by 60, resulting in 4.8 mL/hr. After rounding to the nearest tenth, the IV pump should be set to deliver 4.8 mL/hr.
Correct Answer is ["0.12"]
Explanation
To determine the correct dosage of ferrous sulfate drops for the newborn, one must use the formula: (Desired Dose / Concentration) = Volume to Administer. In this case, the desired dose is 15 mg, and the concentration available is 75 mg per 0.6 mL. Therefore, the calculation would be (15 mg / 75 mg) * 0.6 mL, which equals 0.12 mL.
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