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Conversions and Calc

TermDefinition
Allegation alternate A mathematical method of solving problems that involves the mixing of two solutions or two solids with different percentage weights to achieve a desired third strength.
Apothecary system A system of measurement once used in the practice of pharmacy to measure both volume and weight; this system has been mostly replaced by the metric system.
Avoirdupois system A system of measurement previously used in pharmacy for the determination of weight in ounces and pounds; this system has been mostly replaced by the metric system.
Conversion factor A fraction with the numerical value of 1, which is used to convert one unit to another without changing the value of the number.
Diluent/solvent An inert product, either liquid or solid, that is added to a preparation to reduce the strength of the original product.
Dilution The process of adding a diluent or solvent to a compound, resulting in a product of increased volume or weight and lower concentration.
Dimensional analysis (DA) A method used to solve complicated pharmaceutical calculations that would require numerous sets of ratio and proportion problems; the main benefit of using this is the ability to keep track of units during the process.
Drip rate (DR) or drop rate The number of drops (gtt) administered over a specific time by an intravenous ability to keep track of units during the process.
Drop factor The size of drops coming through the tubing; the size is measured in drops per milliliter (gtt/mL) and is found on the tubing package.
Household system A system of measurement commonly used in the United States; it measures volume using household utensils.
Infusion rate or flow rate The amount of intravenous (IV) solutions administered over a specific period (e.g., mL/min, mL/hr, gtt/min); volume/time.
International System of Units (SI) A system of measurement based on seven base units with prefixes that change units by multiples of 10.
International time A 24-hour method of keeping time; hours are not distinguished as am or pm but rather are counted continuously throughout the day.
Markup The amount added to a wholesale price (usually a percentage) to make a profit.
Metric system The approved system of measurement for pharmacy in the United States based on multiples of 10; the basic units of measurement are the gram(g) for weight, the liter (L) for volume, and the meter (m) for length.
Milliequivalent (mEq) A type of unit used in the United States to express the concentration of electrolytes such as sodium, potassium, magnesium, and calcium.
Retail price The wholesale price plus markup.
Units Assigned to medications called biologicals that have been tested for potency in biological systems.
Volume The amount of liquid enclosed within a container.
Wholesale cost The purchase price of a product (in this case, medicine) that is then marked up for resale.
Created by: user-2048467
 

 



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