A physician ordered Regian (metoclopramide) 10 mg to be mixed with 50 mL of normal saline and infused over 15 minutes. A nurse must set the IV pump to deliver the medication per mL/hr as ordered.
At what rate should the solution be administered?
100 mL/hr
200 mL/hr
50 mL/hr
300 mL/hr
The Correct Answer is B
To find the rate in mL/hr, you need to use the formula for infusion rate:
Infusion rate (mL/h) = (Total volume (mL) x Flow factor (gt/mL)) / Time (min) x 60 min/h
Since the total volume is 50 mL, the flow factor is 1 gt/mL, and the time is 15 minutes, plug in these values into the formula:
Infusion rate (mL/h) = (50 mL x 1 gt/mL) / 15 min x 60 min/h
Simplify and solve for the infusion rate:
Infusion rate (mL/h) = 200 mL/h
Therefore, the nurse should set the IV pump to deliver **200 mL/h** to infuse Regian 10 mg over 15 minutes.
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Related Questions
Correct Answer is D
Explanation
To find the milliliters to administer, you need to use the formula for dosage calculation:
Volume (mL) = Dose ordered (mg) / Dose available (mg) x Volume available (mL)
Since the dose ordered is 275 mg, the dose available is 500 mg, and the volume available is 2 mL, plug in these values into the formula:
Volume (mL) = 275 mg / 500 mg x 2 mL
Simplify and solve for the volume:
Volume (mL) = 1.1 mL
Therefore, the nurse should administer **1.1 mL** of Primaxin to the patient.
Correct Answer is C
Explanation
The nurse should administer 12.5 mL of amoxicillin oral suspension.
This answer is correct because it is based on a simple ratio and proportion calculation. The nurse can set up a proportion as follows:
200 mg / 5 mL = 500 mg / x mL
Cross-multiplying and solving for x gives:
x = 12.5 mL
Therefore, the nurse should administer 12.5 mL of amoxicillin oral suspension to deliver 500 mg of the medication to the patient.
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