Pharmaceutics II Course Details

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What is the course code for Pharmaceutics II?

PHPC 5123

PHPC 2113

PHPC 4123 (correct)

PHPC 6123

In which field of study is the course Pharmaceutics II likely to be found?

Chemistry

Biology

Engineering

Pharmaceutics (correct)

What is the likely level of study for a course with the code PHPC 4123?

Second-year undergraduate

First-year undergraduate

Fourth-year undergraduate

Third-year undergraduate (correct)

What is the title of the course with the code PHPC 4123?

Pharmaceutics II Signup and view all the answers

What is the likely focus of the course Pharmaceutics II?

Advanced principles of pharmaceutics Signup and view all the answers

What is the characteristic of a deflocculated suspension?

Particles settle slowly and are easily redispersed by agitation. Signup and view all the answers

What type of agent is bentonite?

Suspending agent Signup and view all the answers

What is the difference in sedimentation behavior between flocculated and deflocculated suspensions?

Flocculated suspensions settle quickly, while deflocculated suspensions settle slowly. Signup and view all the answers

What is the result of decreasing the interfacial tension in a suspension?

It allows easy penetration of the vehicle into the pores Signup and view all the answers

How do ionic surfactants bring about flocculation of suspended particles?

By neutralizing the charge on each particle Signup and view all the answers

What is the role of electrolytes in a suspension?

To decrease the electrical barrier between particles Signup and view all the answers

What is the purpose of a flocculating agent in a suspension?

To increase the sedimentation rate of particles Signup and view all the answers

What is the term for the phenomenon where particles settle and form a compact sediment that is difficult to redisperse?

Caking Signup and view all the answers

What type of agent is sodium CMC?

Suspending agent Signup and view all the answers

What is the ideal suspension system in terms of flocculation?

A deflocculated system with high viscosity to prevent sedimentation Signup and view all the answers

What is the effect of flocculation on the stability of a suspension?

It increases the stability of the suspension Signup and view all the answers

What is the role of non-ionic surfactants in a suspension?

To adsorb onto more than one particle, forming a loose flocculated structure Signup and view all the answers

What is the primary factor affecting the rate of sedimentation according to Stoke's equation?

Diameter of the particle Signup and view all the answers

What is the effect of increasing the viscosity of the dispersion medium on the sedimentation behavior of a suspension?

It decreases the terminal settling velocity Signup and view all the answers

Which of the following materials would be easiest to wet with water?

Hydrophilic material Signup and view all the answers

What is the primary mechanism of flocculation?

Natural tendency of particles towards aggregation Signup and view all the answers

What is the effect of increased viscosity on sedimentation velocity?

Decrease in sedimentation velocity Signup and view all the answers

What is the primary difference between deflocculated and flocculated suspensions?

State of aggregation of particles Signup and view all the answers