5 Written questions
5 Matching questions
- Describe the anti-microbial properties of syrups.
- what is the ratio for dry gum and wet gum?
- Lanolin is a (w/o or o/w) emulsion with ____% water.
- Water soluble bases are made from this important compound:
- why is using distilled water to prepare injections WRONG and DANGEROUS?
- a It contains pyrogens which are microbial compounds increase body temperature.
- b water-oil emulsion with 25% water
- c the near saturation of syrups prevent microbial growth thereby no parabens are needed as antimicrobials
- d Poly Ethylene Glycol (PEG)
- e ...dunno
5 Multiple choice questions
- Ans: A do not use purified water for opthalmic solutions
- Adding an insoluble substance to a powder while its wet is called levigation
- Ans: the difference is the dispersed phase/continuous phase
dispersed phase comes first
Water-oil: dispersed phase is water.
Oil-water: dispersed phase is oil
- multiple OH groups in alcohols
sorbitol and glycerin
- they reduce the surface tension between the wate and oil and allow the two to mix.
5 True/False questions
Define: humectant and give 2 examples. → It prevents surface evaporation
Sorbic Acid and glycerin is an important component of? → Capsules
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.
what is reverse osmosis? → Opposite of osmosis using high pressure to move from region of high solvent concentration to region of low solvent concentration.
What is a tincture? → A concentrated alcohol solution of a vegetable drug of such strength that 1mL= one gram of the dry form of the drug