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5 Written questions

5 Matching questions

  1. what is Pluronic Lecithin Organogel (PLO) and why is it important?
  2. what is the ratio for dry gum and wet gum?
  3. what is the bottle method of emulsification and what is it's ratio?
  4. what are the four types of bases used to make ointment?
  5. what is the difference between wet gum and dry gum method of making emulsions?
  1. a Its a variation of dry gum: oil:water:acacia
    3;2;1 or 2:1;1
  2. b PLO gel is compatible with diverse range of therapeutic agents, including lipophilic and hydrophilic drugs. Most drugs can be incorporated without stability issue.
  3. c ...dunno
  4. d wet gum= adding water to acacia
    dry gum = adding oil to acacia
  5. e 1. water washable bases
    2. Oleaginous/hydrocarbon/oil bases
    3.Emulsion bases

5 Multiple choice questions

  1. It prevents surface evaporation
    glycerol
    propylene glycol
  2. water:oil:emulsifying agent (eg. acacia)
  3. water for injection USP
  4. Tincture is an alcoholic or hydroalcoholic solution of chemicals or soluble constituents of vegetable drugs.
    Tinctures must be keep away from light and heat
  5. multiple OH groups in alcohols
    sorbitol and glycerin

5 True/False questions

  1. what is the use of emulsifying agents?Opposite of osmosis using high pressure to move from region of high solvent concentration to region of low solvent concentration.

          

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

          

  3. which of the following types of water CANNOT be used for making injections?
    a) sterile water for inhalation
    b) bacteristatic water USP
    c) water for injection USP
    d) sterile water for irrigation USP
    Ans: A and C
    Note that only water for injection and bacteristatic water may be used

          

  4. what is reverse osmosis?Opposite of osmosis using high pressure to move from region of high solvent concentration to region of low solvent concentration.

          

  5. Lanolin is a (w/o or o/w) emulsion with ____% water.water-oil emulsion with 25% water

          

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