5 Written questions
5 Matching questions
- Sorbic Acid and glycerin is an important component of?
- Water soluble bases are made from this important compound:
- what is the ratio for dry gum and wet gum?
- what is the use of emulsifying agents?
- what is a fluid extract?
- a they reduce the surface tension between the wate and oil and allow the two to mix.
- b ...dunno
- c Poly Ethylene Glycol (PEG)
- d A concentrated alcohol solution of a vegetable drug of such strength that 1mL= one gram of the dry form of the drug
- e Capsules
5 Multiple choice questions
- Ans: A and C
Note that only water for injection and bacteristatic water may be used
- It prevents surface evaporation
- 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
- wet gum= adding water to acacia
dry gum = adding oil to acacia
- Ans: A do not use purified water for opthalmic solutions
5 True/False questions
what are the four types of bases used to make ointment? → they reduce the surface tension between the wate and oil and allow the two to mix.
Lanolin is a (w/o or o/w) emulsion with ____% water. → they reduce the surface tension between the wate and oil and allow the two to mix.
why is using distilled water to prepare injections WRONG and DANGEROUS? → ...dunno
Define: Levigation → Adding an insoluble substance to a powder while its wet is called levigation
which type of water is best for preparing parenteral solutions? → water for injection USP