Ointment

Question 1

What are the uses of ointment?

Answer 1

Emoilent
Prtictive barriers
Vehicles in medicated preparation

Question 2

The oldest used ointment base

Answer 2

Oleoginous base (hydrocarbon)

Question 3

What are the disadvantages of animal and vegetable oil ?

Answer 3

Being liquid at body temperature and the problem of rancidity.

Question 4

Used maily for its emoillient effect

Answer 4

Oleogenous bases

Question 5

Mineral oil act as

Answer 5

1_Lavigating agents to incorporate lipophilic solid.

2_ Emollient

Question 6

Contains water and absorbs additional water

Answer 6

W/O emulsion

Question 7

Vehicle for aqueous solution and solid drugs

Answer 7

W/O Emulsion

Question 8

What are the types of absorbtion bases?

Answer 8

1_ those that permit the incorporation of aqurous solution resulting in formation of W/O emulsions ( hydrophilic petrolatum).

2_ Those that are W/O emulsions and permit the incorporation of additional quantities of aqueous solutions(anhydrous lanoline).

Question 9

It is anhydtous base contain <0.25% of water (W/O emulsion).

Answer 9

Lanoline

Question 10

Obtained from wool fat

Answer 10

Lanoline

Question 11

Is purified wax like substances that has been cleaned, deodorized, decolourized.

Answer 11

Lanolin

Question 12

Absorbs rwice its weight water, acts as ointment, water proofing wax, and raw materials.

Answer 12

Lanolin

Question 13

What are the types of Lanolin?

Answer 13

Anhydrous lanolin : <25% water

Hydrous lanolin: 25% water

Question 14

What are the propereties of cold cream

Answer 14

W/O emulsion 
Shiny appearance
NON OCCLUSIVE 
Not water washable
Cleansing
Emollient
Need low glycerin

Question 15

Contain high percentage of water and humactant.

Answer 15

Vanishing cream.

Question 16

Butalyted hydroxy anisol, butylated hydroxy toluene are exampels for

Answer 16

Antioxidants.

Question 17

Poly ethylene glycol, glycerol, sorbitol are exampels for ….

Answer 17

Humactants

Question 18

What are the method of preparing the ointment?

Answer 18

Incorporation

Fision

Question 19

What is the incorporation method?

Answer 19

By the incorporation method, the components are mixed until a uniform preparation attained.

Question 20

Water soluble base used as….

Answer 20

Drug vehicle

Question 21

Greaseless ointment base

Answer 21

Water soluble base

Question 22

Do not contain any oleoginous component

Answer 22

Water soluble base

Question 23

It is the prototype of the water soluble bases….

Answer 23

Propylene glycol PEG

Question 24

What are the types of lavigating agents?

Answer 24

1_ mineral oil:
For oily bases or bases where the oil are the external phase.

2_ Glycerin:
For bases where water is the external phase.