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a system used in roman numerals whereby the position of the numeral signifies its mathematic value
the bottom or right number in a fraction
the top or left number in a fraction
two different fractions that equal 1 when multiplied together
least common denominator
smallest possible denominator for an equivalent fraction so that two fractions can be added or subtracted and have the same denominator
Significant figure (significant digit)
is a figure that is actually measured using the measuring device
Rules for assigning significant figures
- 1. digits other than zero are always significant
- 2. final zeros after a decimal point are always significant
- 3. zeros between two other significant digits are always significant
- 4. zeros used only to space the decimal are never significant
changing one unit of measure into another so that both amounts remain equal
a mathematical statement in which two terms are equal
an unknown value in a mathematical equation.
the rate (in ml/hr or ml/minute) at which a solution administered to a patient: also known as the rate of administration
the strength of a solution as measured by the weight-to-volume or volume-to-volume of the substance being measured.
Total parenteral nutrition
administration of all nutrients intravenously; also known as hyperalimentation
the quantity needed to make a prescribed amount
the unit of measure for electrolytes in a solution
the number of positive or negative charges on an ion.
the proportion of the column of the final mixed product that is attributed to the powder
Body surface area
a measure used for dosage that is calculated from the height and weight of a person and measured in square meters
a chart showing relationships between measurements
Usual and customary price (U&C)
the price charged for a prescription if there are no discounts or third parties paying for the prescription
the difference between the selling price and the acquision cost
the difference between the selling price of the prescription and the sum of all the costs associated with filling the prescription
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