Nurses use proportions to determine the amount of a drug to administer when the dose is measured

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Nurses use proportions to determine the amount of a drug to administer when the dose is measured in milligrams but the drug is packaged in a diluted form in milliliters.


For example, to find the number of milliliters of fluid needed to administer 300 mg of a drug that comes packaged as 120 mg in 2 mL of fluid, a nurse sets up the proportionimage


where x represents the amount to administer in milliliters. Use this method to find the correct dose for each prescription.image


1.5 mg of morphine packaged as 20-mg ampules diluted in 10 mL of fluid

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Intermediate Algebra

ISBN: 9780134895987

13th Edition

Authors: Margaret Lial, John Hornsby, Terry McGinnis

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