A nurse is preparing to administer cefazolin 40 mg/kg/day IV bolus divided in equal doses every 12 hr to a neonate who weighs 5 kg Available is cefazolin injection 330 mg/mL. How many mL should the nurse administer per dose?
The Correct Answer is ["0.3"]
To calculate the dose of cefazolin for a neonate, first multiply the weight by the dosage per day: 5 kg x 40 mg/kg/day = 200 mg/day. Then divide by the number of doses per day: 200 mg/day / 2 doses/day = 100 mg/dose. Next, use the formula D/H x Q to find the volume to administer, where D is the dose, H is the strength of the solution, and Q is the quantity of the solution. Plug in the values: 100 mg / 330 mg/mL x 1 mL = 0.3 mL. Round to the nearest tenth: 0.3 mL. Therefore, the nurse should administer 0.3 mL of cefazolin per dose.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["375"]
Explanation
To answer this question, you need to use the formula: rate (mL/hr) = volume (mL) / time (hr). Plug in the given values and you get: rate = 750 / 2.
Simplify and you get: rate = 375.
Therefore, the nurse should set the IV pump to deliver 375 mL/hr.
Correct Answer is ["20"]
Explanation
To calculate the volume of medication to administer, use the formula: (desired dose / available dose) x available volume. Plug in the values: (25 mg / 6.25 mg) x 5 mL = 20 mL. Round to the nearest whole number: 20 mL.
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