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5 Written questions

5 Matching questions

  1. Lanolin is a (w/o or o/w) emulsion with ____% water.
  2. Sorbic Acid and glycerin is an important component of?
  3. what is the use of emulsifying agents?
  4. Define: humectant and give 2 examples.
  5. How many components are required to make an emulsion and what are they?
  1. a water:oil:emulsifying agent (eg. acacia)
  2. b Capsules
  3. c It prevents surface evaporation
    glycerol
    propylene glycol
  4. d they reduce the surface tension between the wate and oil and allow the two to mix.
  5. e water-oil emulsion with 25% water

5 Multiple choice questions

  1. Opposite of osmosis using high pressure to move from region of high solvent concentration to region of low solvent concentration.
  2. wet gum= adding water to acacia
    dry gum = adding oil to acacia
  3. ...dunno
  4. It contains pyrogens which are microbial compounds increase body temperature.
  5. Ans: A do not use purified water for opthalmic solutions

5 True/False questions

  1. what is the nacent method?equal amounts of oil, water, acacia
    50%

          

  2. Water soluble bases are made from this important compound:Capsules

          

  3. what is the bottle method of emulsification and what is it's ratio?they reduce the surface tension between the wate and oil and allow the two to mix.

          

  4. Describe the anti-microbial properties of syrups.the near saturation of syrups prevent microbial growth thereby no parabens are needed as antimicrobials

          

  5. which type of water is best for preparing parenteral solutions?they reduce the surface tension between the wate and oil and allow the two to mix.

          

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