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5 Written Questions

5 Matching Questions

  1. which type of water is best for preparing parenteral solutions?
  2. why is using distilled water to prepare injections WRONG and DANGEROUS?
  3. What is a tincture?
  4. which of the following types of water cannot be used to make parenteral & opthalmic solutions?
    a) purified water
    b) bacteristatic water
  5. what are the four types of bases used to make ointment?
  1. a Ans: A do not use purified water for opthalmic solutions
  2. b water for injection USP
  3. c 1. water washable bases
    2. Oleaginous/hydrocarbon/oil bases
    3.Emulsion bases
  4. d It contains pyrogens which are microbial compounds increase body temperature.
  5. e 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 Choice Questions

  1. Ans: A and C
    Note that only water for injection and bacteristatic water may be used
  2. Opposite of osmosis using high pressure to move from region of high solvent concentration to region of low solvent concentration.
  3. wet gum= adding water to acacia
    dry gum = adding oil to acacia
  4. PLO gel is compatible with diverse range of therapeutic agents, including lipophilic and hydrophilic drugs. Most drugs can be incorporated without stability issue.
  5. the near saturation of syrups prevent microbial growth thereby no parabens are needed as antimicrobials

5 True/False Questions

  1. Water soluble bases are made from this important compound:Poly Ethylene Glycol (PEG)


  2. Define: humectant and give 2 examples.It prevents surface evaporation
    propylene glycol


  3. Define: Polyols
    Which type of product is likely to contain Polyols
    Poly Ethylene Glycol (PEG)


  4. what is the ratio for dry gum and wet gum?...dunno


  5. what is the use of emulsifying agents?they reduce the surface tension between the wate and oil and allow the two to mix.


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