Suspensions | Pharmaceutics | GPAT Mock Test

1. What is the primary role of an electrolyte in the formulation of a flocculated suspension?

2. The ratio of the ultimate volume of sediment (Vu) to the initial volume of the suspension (Vo) is known as:

3. The phenomenon where particles in a deflocculated suspension settle slowly and form a hard, non-resuspendable sediment is called:

4. What is the role of Bentonite in Calamine Lotion IP?

5. In a deflocculated suspension, the particles exist as:

6. Which of the following mills is most suitable for particle size reduction during the manufacturing of suspensions on a large scale?

7. A desirable rheological property in a good pharmaceutical suspension, where it is gel-like on standing and fluid upon shaking, is known as:

8. Structured vehicles are used in suspensions primarily to:

9. The Andreasen pipette method is used for the determination of:

10. According to the DLVO theory, the stability of a colloidal suspension is determined by the balance between:

11. In the manufacturing of suspensions, the “controlled flocculation” approach involves adding a specific amount of:

12. Magnesium Hydroxide Mixture IP is commonly known as:

13. What is the primary function of a wetting agent like Polysorbate 80 in a suspension?

14. If the sedimentation volume (F) of a suspension is equal to 1, it indicates that:

15. The degree of flocculation (β) is calculated as:

16. The precipitation method for preparing suspensions often involves changing the:

17. According to the Indian Pharmacopoeia, Barium Sulphate Suspension is primarily used as:

18. Which of the following polymers is a commonly used natural structuring agent to impart thixotropy in oral suspensions?

19. Zeta potential is a measure of the:

20. In flocculated suspensions, particles are held together in a loose, open network by:

21. A high-speed mixer with a rotor-stator configuration used for dispersing solids into liquids and creating stable suspensions is a/an:

22. Dry powders for oral suspension are primarily formulated for drugs that have insufficient:

23. Which instrument is commonly used to measure the particle size of a suspension based on the principle of electrical resistance change as particles pass through an orifice?

24. The “caking” problem is most severe in which type of suspension?

25. Which of the following is NOT a desirable property of a pharmaceutical suspension?