Quiz: Pharmacy Exam Preparation (NAPLEX Preparation) – 8

Which of the following perform the function of barrier against photolysis of drugs?

1. Aluminum foil

2. Opaque container

3. Amber glass bottle

4. Both 2 and 3

Answer

Tragacanth is more advantageous than acacia due to:

1. Absence of oxidase

2. High percentage of ions

3. Less brittle nature

4. All of the above

Answer

At which pH, the tragacanth’s viscosity is found to be optimum?

1. pH 2

2. pH 5

3. pH 7

4. pH 3

Answer

Hydrolytic degradation in solution leads towards the generation of electrolytes. Which of the following are the quite common catalysts generated as a consequence of hydrolytic degredation taking place in the solution?

1. H+ and Na+

2. Na+ and Ca2+

3. P+ and H+

4. H+ and OH-

Answer

Which of the following are the attributes of clays?

1. Thixotropic behavior

2. Anionic in aqueous dispersions

3. Silicates in nature

4. All of these

Answer

Further Reading:
Comprehensive Pharmacy Review by Shargel – https://amzn.to/3uIj7BL