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Pharmaceuticals: Raw Materials, SOP, and Product Specification

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Pharmaceuticals: Raw Materials, SOP, and Product Specification

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Questions and Answers

What is the term for the liberation of oil or water due to a deficient gel structure?

Swelling

Bleeding (correct)

Syneresis

Imbibition

What is the term for taking up of liquid without volume increase?

Bleeding

Swelling

Syneresis

Imbibition (correct)

What is the function of an emulsifying agent?

To stabilize the emulsion (correct)

To create a new phase

To separate the two phases

To combine the two phases

What is the term for a two-phase system prepared by combining two immiscible liquids?

Emulsion Signup and view all the answers

What is the term for a type of emulsion where water is the continuous phase?

Oil-in-water (O/W) emulsion Signup and view all the answers

What is the theory that explains how surfactants lower surface tension and create a monomolecular layer around a droplet?

Plastic/Interfacial Film Theory Signup and view all the answers

What is the purpose of geometric dilution in powder preparation?

To create a uniform mixture of the powder Signup and view all the answers

What is the term for the mixture of two or more substances that form a eutectic mixture?

Eutexia Signup and view all the answers

What is the purpose of comminution in powder preparation?

To reduce the particle size of the powder Signup and view all the answers

What type of powder is administered by inhalation with the aid of dry-powder inhalers?

Aerosol powder Signup and view all the answers

What is the purpose of adding an inert diluent to a powder?

To prevent eutexia Signup and view all the answers

What is the term for the process of mixing powders using a mortar and pestle?

Trituration Signup and view all the answers

What is the primary goal of micropulverization in powder preparation?

To reduce the particle size of the powder Signup and view all the answers

What is the purpose of a wetting agent in powder preparation?

To displace air in the crevices of the particle Signup and view all the answers

Which of the following is NOT a type of fluid energy grinding?

Ball milling Signup and view all the answers

What is the primary purpose of geometric dilution in powder preparation?

To mix the powder with a vehicle Signup and view all the answers

What is the characteristic of a single-phase gel?

It contains a high proportion of liquid Signup and view all the answers

What is the primary difference between a gel and a magma?

The size of the suspended particles Signup and view all the answers