A nurse is reviewing a new prescription with the parent of a newborn who is to receive ferrous sulfate 15 mg PO daily. Available is ferrous sulfate drops 75 mg/0.6 mL. How many mL should the parent administer to the newborn each day? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.12"]
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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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["105"]
Explanation
To calculate the IV pump setting, we need to convert the dosage from mg/min to mg/hr, and then find out how many mL/hr this corresponds to, given the concentration of the solution. First, multiply the ordered dose by 60 minutes to convert to an hourly rate: 7 mg/min * 60 min/hr = 420 mg/hr. Next, since we have 1 g of lidocaine in 250 mL, we convert 1 g to mg, which is 1000 mg. Now, we have 1000 mg in 250 mL, so we need to find out how many mL are needed for 420 mg. Using a proportion, we have 1000 mg/250 mL = 420 mg/x mL. Solving for x gives us x = (420 mg * 250 mL) / 1000 mg, which equals 105 mL. Therefore, the nurse should set the IV pump to deliver 105 mL/hr.
Correct Answer is ["125"]
Explanation
To calculate the infusion rate, the total volume of lactated Ringer's solution (500 mL) should be divided by the total time of infusion (4 hours). This results in an infusion rate of 125 mL/hr.
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