Podcast
Questions and Answers
What is the primary purpose of studying the rheological properties of pharmaceutical materials?
What is the primary purpose of studying the rheological properties of pharmaceutical materials?
- To understand the flow properties of materials during the preparation and development of pharmaceutical dosage forms. (correct)
- To maintain a consistent flow rate of particles during the filling of tablets and capsules.
- To determine the intermolecular forces acting on the surface of powder particles.
- To ensure the constant weight of powder reaching the die during tablet compression.
What is the key reason for ensuring a constant flow rate of particles during the filling of tablets and capsules?
What is the key reason for ensuring a constant flow rate of particles during the filling of tablets and capsules?
- To achieve uniform weight of the final products.
- To reduce the intermolecular forces acting on the surface of powder particles.
- To prevent variations in the amount of granules filled in the die during compression. (correct)
- To maintain constant content uniformity and good bioavailability.
What is the primary difference between a freely flowable powder and a non-freely (sticky) flowable powder?
What is the primary difference between a freely flowable powder and a non-freely (sticky) flowable powder?
- The intermolecular forces acting on the particle surface. (correct)
- The bulk density of the powder.
- The compressibility of the powder.
- The particle size distribution.
Which of the following is a key factor that can reduce the flow rate of powder particles?
Which of the following is a key factor that can reduce the flow rate of powder particles?
What is the main consequence of having a good flow rate of powder particles during tablet compression?
What is the main consequence of having a good flow rate of powder particles during tablet compression?
Which of the following is the MOST important reason for studying the rheological properties of pharmaceutical materials?
Which of the following is the MOST important reason for studying the rheological properties of pharmaceutical materials?
What is the primary reason why irregular-shaped particles have poor flowability?
What is the primary reason why irregular-shaped particles have poor flowability?
Which of the following is NOT a factor that reduces the flow rate of powders?
Which of the following is NOT a factor that reduces the flow rate of powders?
What is the relationship between particle size and flow rate, as described in the text?
What is the relationship between particle size and flow rate, as described in the text?
How do frictional (electrostatic) forces affect the flowability of powders?
How do frictional (electrostatic) forces affect the flowability of powders?
What is the effect of moisture on the flowability of powders?
What is the effect of moisture on the flowability of powders?
Which of the following statements about the factors affecting the flowability of powders is NOT supported by the text?
Which of the following statements about the factors affecting the flowability of powders is NOT supported by the text?
Which of the following is NOT a mechanism by which glidants improve powder flowability?
Which of the following is NOT a mechanism by which glidants improve powder flowability?
What is the primary reason for the need to carefully control the concentration of lubricants and glidants?
What is the primary reason for the need to carefully control the concentration of lubricants and glidants?
Which of the following statements about granulation is NOT true?
Which of the following statements about granulation is NOT true?
Which of the following is a potential issue with over-drying powders during the drying process?
Which of the following is a potential issue with over-drying powders during the drying process?
Which technique is mentioned in the text for altering particle shape and texture to produce spherical, free-flowing granules?
Which technique is mentioned in the text for altering particle shape and texture to produce spherical, free-flowing granules?
What is the primary function of lubricants in improving powder flow?
What is the primary function of lubricants in improving powder flow?
