Pharmacy Measurement and Calculation - KEY TERMS

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Across
  1. 2. ratio switching the numerator with the denominator in a ratio
  2. 3. system of measurement a measurement system based on subdivisions and multiples of 10; made up of three basic units: meter, gram, and liter
  3. 4. date (BUD) the last recommended date for administration provided by a compounding facility Compound (used as a verb) the action of hand-preparing a new pharmaceutical product by mixing, combining, or integrating ingredients; (used as noun) the resulting prepared product, which can be sterile or nonsterile
  4. 6. strength the portion, or ratio, of the active strength ingredient to the whole drug product
  5. 7. gravity he ratio of the weight of a substance compared to an equal volume of water when both are the same temperature at sea level
  6. 9. a number that represents a chemical element's capacity to combine with others to form a molecule of a stable new compound, based on the number and activity of the exterior electrons
  7. 12. volume (tv) the full amount of the final volume in a drug product with all ingredi-ents, the solutes and diluent solution
  8. 13. system a system of measurement based on the apothecary system; units of measure include the ounce, pound, drop, teaspoon, tablespoon, and cup
  9. 15. system of measurement (also known as the British Imperial System) a system of measurements used historically across the British Empire with inches, feet, yards, furlongs, and miles, as well as fathoms and nautical miles, fluid ounces, drams, pints, quarts, and gallons; grains, pounds, stones, and tons
  10. 17. numeral system a mathematical system in which numerical values are expressed in either capital or lowercase letters rounded off simplified by adding a little to the number to the left (rounding up) or take ing a little away (rounding down)
  11. 19. volume (PV) the amount of space occupied by a medication in a sterile vial, used for reconstitution; equal to the difference between the total volume (v) and the volume of the diluting ingredient, or the diluent volume (dv)
  12. 20. (gr) a small dry-weight unit of measurement in the apothecary system (e.g., 5 grains [5 gr] of aspirin are equivalent to approximately 325 mg)
Down
  1. 1. Alternate Method method of calculating the proportions of two different substances to be combined in a new product to create a different concentration of the active ingredient
  2. 5. ratios equivalent ratios two ratios that have the same value; for example, 1/2 and 4/8
  3. 6. a comparison of numeric values
  4. 8. solution dissolved mineral salts in a fluid equivalent
  5. 10. the ability to maintain a drug's potency and integrity in its compounded form
  6. 11. zero a zero that is placed in the ones place in a number less than zero that is being represented by a decimal value
  7. 14. time (similar to international time) a measure of time based on a 24-hour clock in which midnight is 0000, noon is 1200, and the minute before midnight is 2359; also referred co as 24-hour time
  8. 16. a comparison of equal ratios; the product of the means equals the product of the extremes
  9. 18. an abbreviation for the solution Dextrose 5% in Water, a common IV solution decimal any number written using a decimal point to separate whole numbers from their accompanying fractions in tenths; the whole numbers are on the left side of the point and the fractions are on the right (eg, 10.25 is equal to 10 and 25/100). diluent volume (dv) the volume that a diluent takes up in a solution