3.
Upon seeing an emulsion, you observe that it has separated into two distinct
layers. Upon shaking the bottle containing the emulsion, you observe that the
original emulsion cannot be restored. Obviously, this emulsion has:
a. Creamed.
b. Cracked.
c.
Emulsified.
d. Mummified.
4.
From the list below, select the advantage of the use of emulsions over other
pharmaceutical dosage forms.
a. Emulsions can be used to administer oily liquids that cannot be given in
capsules.
b. Emulsions, when properly prepared, can be frozen to maintain their
effectiveness indefinitely.
c.
Emulsions can easily be administered orally to comatose patients.
d. Emulsions can be sterilized in an autoclave before being applied to burn
injuries.
5.
Select the purpose for the use of emulsifying agents.
a. To promote the formation of a solution.
b. To chemically prevent the two immiscible liquids from mixing.
c.
To promote the formulation of an emulsion.
d. To promote a chemical reaction between the two immiscible liquids.
MD0809
4-10