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Questions and Answers
What is the definition of an emulsion?
What is the definition of an emulsion?
- At least two immiscible liquid phases, with one dispersed as globules in the other (correct)
- A mixture of gas bubbles in a liquid
- A solid phase dispersed in a liquid
- A single liquid phase with dispersed solid particles
How are emulsions stabilized?
How are emulsions stabilized?
- By the presence of an emulsifying agent (correct)
- By increasing the droplet size of the dispersed phase
- By increasing the temperature of the system
- By reducing the viscosity of the continuous phase
What are pharmaceutical emulsions used for?
What are pharmaceutical emulsions used for?
- Intravenous administration
- External use for topical creams and lotions (correct)
- Oral administration of tablets
- Intramuscular injections
When is a system referred to as an oil-in-water (O/W) emulsion?
When is a system referred to as an oil-in-water (O/W) emulsion?
What type of emulsifier is typically used in oil-in-water (O/W) emulsions?
What type of emulsifier is typically used in oil-in-water (O/W) emulsions?
Which term refers to the process of creating an emulsion?
Which term refers to the process of creating an emulsion?
What is the term for an emulsion where the oil phase is dispersed in an aqueous continuous phase?
What is the term for an emulsion where the oil phase is dispersed in an aqueous continuous phase?
What is the main function of an emulsifying agent in pharmaceutical emulsions?
What is the main function of an emulsifying agent in pharmaceutical emulsions?
In which type of emulsion does the aqueous phase constitute more than 45% of the total weight?
In which type of emulsion does the aqueous phase constitute more than 45% of the total weight?
What are topical creams and lotions examples of in the context of emulsions?
What are topical creams and lotions examples of in the context of emulsions?
What is the term for a system in which the oil phase is dispersed throughout an aqueous continuous phase?
What is the term for a system in which the oil phase is dispersed throughout an aqueous continuous phase?
Which type of emulsifier is typically used in oil-in-water (O/W) emulsions?
Which type of emulsifier is typically used in oil-in-water (O/W) emulsions?
What is the term for the process of creating an emulsion?
What is the term for the process of creating an emulsion?
In the context of emulsions, what are topical creams and lotions examples of?
In the context of emulsions, what are topical creams and lotions examples of?
Which type of emulsion is generally formed when the aqueous phase constitutes more than 45% of the total weight?
Which type of emulsion is generally formed when the aqueous phase constitutes more than 45% of the total weight?
