Your Source of Information: Emulsions

Saturday, March 27, 2010

1. An emulsion is a system of two ----------------- liquid phases, one of which is dispersed as fine globules throughout the other.

a. miscible

b. polar

c. non-polar

d. Immiscible

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2. One of the two phases of emulsion is usually -------------------- in pharmacy.

a. water

b. Oils

c. Spirits

d. Alcohols

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3. Best example of w/o emulsion is;

a. Rubber latex

b. Egg yolk

c. vanishing creams

d. cold creams

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4. Best example of o/w emulsions;

a. hydrous ointment

b. Calamine lotion

c . Milk

d. Cold creams

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5. In HLB system, wetting agents range b/w;

a. 10-18
b. 7-9
c.   4-6
d.   1-3
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Answers to MCQs of Emulsions

1. d

2. a

3. d

4. c

5. b

(These MCQs are helpful for students of pharmacy)

Further reading:
Ansel's Pharmaceutical Dosage Forms and Drug Delivery Systems

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