OINTMENTS, CREAMS AND GELS I Flashcards
1
Q
containing one or more medicinal agents dissolved or dispersed in either
A
semisolid preparations
2
Q
water-in-oil (W/O) emulsion
A
cold cream
3
Q
oil-in-water (O/W) emulsion
A
vanishing cream
4
Q
PREPARATION OF CREAMS May be formulated from:
A
- Oils – mineral and vegetable oil
- Fatty alcohols
- Fatty acids
- Fatty esters
5
Q
water-insoluble components
A
Lipid
6
Q
water-soluble components
A
aqueous
7
Q
sometimes called “jellies”
A
gels
8
Q
Examples of gelling agents:
A
synthetic macromolecules
cellulose derivatives
natural gums
Carbomers
9
Q
carbomer 934
A
synthetic macromolecules
10
Q
carboxymethylcellulose
A
cellulose derivatives
11
Q
tragacanth.
A
natural gums
12
Q
high molecular weight water-soluble polymers of acrylic acid
A
Carbomers
13
Q
yields highest viscosity
A
940
14
Q
gel mass consisting of floccules
A
Two-phase gel
14
Q
macromolecules are uniformly distributed
A
single-phase gels
