5 Written Questions
5 Matching Questions
- which type of water is best for preparing parenteral solutions?
- why is using distilled water to prepare injections WRONG and DANGEROUS?
- What is a tincture?
- which of the following types of water cannot be used to make parenteral & opthalmic solutions?
a) purified water
b) bacteristatic water
- what are the four types of bases used to make ointment?
- a Ans: A do not use purified water for opthalmic solutions
- b water for injection USP
- c 1. water washable bases
2. Oleaginous/hydrocarbon/oil bases
- d It contains pyrogens which are microbial compounds increase body temperature.
- 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
- Ans: A and C
Note that only water for injection and bacteristatic water may be used
- Opposite of osmosis using high pressure to move from region of high solvent concentration to region of low solvent concentration.
- wet gum= adding water to acacia
dry gum = adding oil to acacia
- PLO gel is compatible with diverse range of therapeutic agents, including lipophilic and hydrophilic drugs. Most drugs can be incorporated without stability issue.
- the near saturation of syrups prevent microbial growth thereby no parabens are needed as antimicrobials
5 True/False Questions
Water soluble bases are made from this important compound: → Poly Ethylene Glycol (PEG)
Define: humectant and give 2 examples. → It prevents surface evaporation
Which type of product is likely to contain Polyols → Poly Ethylene Glycol (PEG)
what is the ratio for dry gum and wet gum? → ...dunno
what is the use of emulsifying agents? → they reduce the surface tension between the wate and oil and allow the two to mix.