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Emulsions in Pharmaceutics

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Questions and Answers

How is the emulsion type determined by the solubility of the emulsifying agent?

If the emulsifying agent is more soluble in water, a w/o emulsion will be formed

If the emulsifying agent is more soluble in water, an o/w emulsion will be formed (correct)

If the emulsifying agent is more soluble in oil, a w/o emulsion will be formed

If the emulsifying agent is more soluble in oil, an o/w emulsion will be formed

What is the primary function of emulsifying agents?

Promoting coalescence of droplets

Preventing the formation of barriers at the interface

Enhancing oil solubility in water

Reducing interfacial tension and maintaining dispersion stability (correct)

Which type of emulsion will be formed if the emulsifying agent is more soluble in oil?

W/O emulsion (correct)

Multiple emulsion

O/W emulsion

Inverted emulsion

What makes acacia a suitable emulsifying agent for oral emulsions?

Forms a thick film at the oil-water interface to act as a barrier to coalescence (C) Signup and view all the answers

What is a characteristic of naturally occurring emulsifying agents?

Susceptible to microbial contamination (C) Signup and view all the answers

What is the primary role of emulsifying agents in the production of a stable dispersion?

Reducing the droplet size (A) Signup and view all the answers

Which type of emulsion will be formed if the emulsifying agent is more soluble in water?

Oil-in-water (o/w) emulsion (C) Signup and view all the answers

What is the primary function of a naturally occurring emulsifying agent?

Creates a thick film at the oil-water interface (C) Signup and view all the answers

What are the primary components of effective emulsifying agents?

Hydrophilic polar groups and lipophilic non-polar groups (A) Signup and view all the answers

What is the role of emulsifying agents in the production of a stable dispersion?

Reducing interfacial tension and forming a barrier at the interface (B) Signup and view all the answers

Why are naturally occurring emulsifying agents susceptible to microbial contamination?

As they come from animal or vegetable sources (B) Signup and view all the answers

Emulsions in Pharmaceutics

Choose a study mode

Podcast

Questions and Answers

How is the emulsion type determined by the solubility of the emulsifying agent?

What is the primary function of emulsifying agents?

Which type of emulsion will be formed if the emulsifying agent is more soluble in oil?

What makes acacia a suitable emulsifying agent for oral emulsions?

What is a characteristic of naturally occurring emulsifying agents?

What is the primary role of emulsifying agents in the production of a stable dispersion?

Which type of emulsion will be formed if the emulsifying agent is more soluble in water?

What is the primary function of a naturally occurring emulsifying agent?

What are the primary components of effective emulsifying agents?

What is the role of emulsifying agents in the production of a stable dispersion?

Why are naturally occurring emulsifying agents susceptible to microbial contamination?

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