OINTMENTS, CREAMS AND GELS I

Question 1

containing one or more medicinal agents dissolved or dispersed in either

Answer 1

semisolid preparations

Question 2

water-in-oil (W/O) emulsion

Answer 2

cold cream

Question 3

oil-in-water (O/W) emulsion

Answer 3

vanishing cream

Question 4

PREPARATION OF CREAMS May be formulated from:

Answer 4

1. Oils – mineral and vegetable oil
2. Fatty alcohols
3. Fatty acids
4. Fatty esters

Question 5

water-insoluble components

Answer 5

Lipid

Question 6

water-soluble components

Answer 6

aqueous

Question 7

sometimes called “jellies”

Answer 7

gels

Question 8

Examples of gelling agents:

Answer 8

synthetic macromolecules
cellulose derivatives
natural gums
Carbomers

Question 9

carbomer 934

Answer 9

synthetic macromolecules

Question 10

carboxymethylcellulose

Answer 10

cellulose derivatives

Question 11

tragacanth.

Answer 11

natural gums

Question 12

high molecular weight water-soluble polymers of acrylic acid

Answer 12

Carbomers

Question 13

yields highest viscosity

Answer 13

940

Question 14

gel mass consisting of floccules

Answer 14

Two-phase gel

Question 14

macromolecules are uniformly distributed

Answer 14

single-phase gels

Question 15

Penetration enhancers include

Answer 15

ethanol
urea
PEG
glycerin
Tweens

Question 15

small distinct particles often referred to as a

Answer 15

magma

Question 16

Gels may thicken on standing, forming a _______

Answer 16

thixotrope

Question 17

deliver the drug into the skin

Answer 17

topical dermatological

Question 18

deliver drugs through the skin

Answer 18

transdermal