Ch. 06 Pharmacy Measurement and Calculation KEY TERMS

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Across
  1. 2. a measurement system based on subdivisions and multiples of 10; made up of three basic units: meter, gram, and liter.
  2. 4. a comparison of equal ratios; the product of the means equals the product of the extremes
  3. 8. the full amount of the final volume in a drug product with all ingredi-ents, the solutes and diluent solution
  4. 11. an abbreviation for the solution Dextrose 5% in Water, a common IV solution
  5. 12. the ability to maintain a drug's potency and integrity in its compounded form
  6. 15. 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)
  7. 17. (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 to as 24-hour time
  8. 18. 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
  9. 20. two ratios that have the same value; for example, ½ and 4/8
  10. 23. the ratio of the weight of a substance compared to an equal volume of water when both are the same temperature at sea level
Down
  1. 1. a system of measurement based on the apothecary system; units of measure include the ounce, pound, drop, teaspoon, tablespoon, and cup
  2. 3. switching the numerator with the denominator in a ratio
  3. 5. the amount of space occupied by a medication in a sterile vial, used for reconstitution; equal to the difference between the total volume (tv) and the volume of the diluting ingredient, or the diluent volume (dv)
  4. 6. 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
  5. 7. a zero that is placed in the ones place in a number less than zero that is being represented by a decimal value
  6. 9. dissolved mineral salts in a fluid
  7. 10. the volume that a diluent takes up in a solution
  8. 13. use date: the last recommended date for administration provided by a compounding facility
  9. 14. the portion, or ratio, of the active strength ingredient to the whole drug produce
  10. 16. System: a mathematical system in which numerical values are expressed in either capital or lowercase letters.
  11. 19. 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
  12. 21. 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
  13. 22. a comparison of numeric values