PHR101_Week4Assignment_Casasola.docx - Calculation Practice Learning Objectives LO 04.01 \u2013 Solve basic problems of arithmetic involving fractions

PHR101_Week4Assignment_Casasola.docx - Calculation Practice...

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Calculation Practice Learning Objectives LO 04.01 – Solve basic problems of arithmetic involving fractions, decimals, and percentages LO 04.02 – Use ratio and proportion equations to solve for unknown terms LO 04.03 – Perform unit conversions in the metric system LO 04.04 – Calculate dosage for both adults and pediatric patients For this assignment, you will work through the worksheet to build your foundation knowledge of calculation topics. Part 1 – Abbreviations The ability to interpret and prepare accurate orders is a major responsibility of a medical assistant, this means you are responsible for building your common abbreviation knowledge base. For the sake of calculations, we will focus on basic abbreviations used for prescriptions and drug orders. Calculation abbreviations are also helpful for maintaining consistent applications of formula components. Units of measure common abbreviations Abbreviation Meaning Use g gram Solid, metric mg milligram Solid, metric kg kilogram Solid, metric mcg microgram Solid, metric L liter Liquid, metric mL or ml milliliter Liquid, metric tsp or t teaspoon Liquid, household tbsp or T tablespoon Liquid, household fl oz Fluid ounce Liquid, household oz ounce Liquid, avoirdupois, apothecary pt pint Liquid, avoirdupois, apothecary qt quart Liquid, avoirdupois, apothecary gr ___ grain Solid, apothecary lb pound Solid, household mEq milliequivalent Solid, metric, elemental items 1
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Part 1I – Equivalents Working with unit equivalents will allow you to accurately switch between metric, household, and apothecary units to ensure you are administering an accurate dose of medication. Equivalents between unit types Metric Household Apothecary 5 mL 1 tsp n/a 15 mL 1 tbsp n/a 30 mL 1 fl oz n/a 240 mL 1 c = 8 fl oz n/a 480 mL 1 pt n/a 960 mL 1 qt n/a 1 kg 2.2 lb 60 - 65 mg n/a gr 1 30 g 1 oz Metric Equivalents Metric Metric Metric 1g 1000 mg 1,000,000 mcg 0.1 g 100 mg 100,000 mcg 0.001 g 1 mg 1000 mcg 1 L 1000 mL 1,000,000 microliters (not common in practice) 0.1 L 100 mL 0.001 L 1 mL It’s your turn to practice applying equivalents. Interpret the following examples:
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