Podcast
Questions and Answers
What is the primary cause of liquification and degradation of powders?
What is the primary cause of liquification and degradation of powders?
- Isomerization of molecules
- Absorption of water (correct)
- Exposure to light
- Autoxidation reaction
Which type of container is recommended to prevent light-induced degradation of dyes?
Which type of container is recommended to prevent light-induced degradation of dyes?
- Tight containers with UV filters
- Plastic containers
- Amber glass bottles (correct)
- Clear glass bottles
What is the purpose of adding stabilizers to suspensions?
What is the purpose of adding stabilizers to suspensions?
- To prevent crystal growth
- To enhance the solubility of the solute
- To prevent caking of suspensions (correct)
- To increase the viscosity of the suspending medium
What is the primary function of surfactants in suspensions?
What is the primary function of surfactants in suspensions?
What is the primary cause of softening of gelatin capsules?
What is the primary cause of softening of gelatin capsules?
What is the primary function of tight containers in preventing physical instabilities?
What is the primary function of tight containers in preventing physical instabilities?
Which of the following pharmaceutical products is most likely to undergo hydrolytic degradation?
Which of the following pharmaceutical products is most likely to undergo hydrolytic degradation?
What is the primary mechanism of degradation caused by light?
What is the primary mechanism of degradation caused by light?
Which analytical technique is most suitable for identifying chemical changes in a drug substance?
Which analytical technique is most suitable for identifying chemical changes in a drug substance?
What is the primary purpose of using amber glass bottles in pharmaceutical packaging?
What is the primary purpose of using amber glass bottles in pharmaceutical packaging?
Which type of degradation involves the rearrangement of molecular structure?
Which type of degradation involves the rearrangement of molecular structure?
What is the primary mechanism of degradation that involves the combination of molecules to form a larger molecule?
What is the primary mechanism of degradation that involves the combination of molecules to form a larger molecule?
What is the primary purpose of adding humectants to oil/water creams?
What is the primary purpose of adding humectants to oil/water creams?
What is the primary factor influencing the physical stability of a drug substance?
What is the primary factor influencing the physical stability of a drug substance?
What is the purpose of visual inspection in physical stability evaluation?
What is the purpose of visual inspection in physical stability evaluation?
What is the consequence of physical instability in saturated solutions?
What is the consequence of physical instability in saturated solutions?
What is the primary method of preventing physical instability in creams?
What is the primary method of preventing physical instability in creams?
What is the purpose of microscopy in physical stability evaluation?
What is the purpose of microscopy in physical stability evaluation?
