Continuous Assessment No 03

10 Questions | By Rajatrashids | Last updated: Mar 20, 2022 | Total Attempts: 1060

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Pharmaceutical Suspensions

Questions and Answers

1.

Suspended particles become floccculated in a suspension,because
- A.
  
  Particles are closely packed
- B.
  
  Attractive forces between particles are appreciable
- C.
  
  Repulsive forces between particles are appreciable
- D.
  
  Vehicle rejects the particles
2.

Brownian movement of particle ............. sedimentation
- A.
  
  Assist
- B.
  
  Promote
- C.
  
  Prevent
- D.
  
  Increase
3.

Suspension of hydrophobic drug formulated with ...........
- A.
  
  Emulsifying agents
- B.
  
  Wetting agents
- C.
  
  Suspending agents
- D.
  
  All of the above
4.

Wetting ability of vehicle is detected by observing ..........
- A.
  
  Angle of repose
- B.
  
  Contact angle
- C.
  
  Critical angle
- D.
  
  None of the above
5.

Which of the following test is used to compare different suspensions?
- A.
  
  Physical evaluation
- B.
  
  Sedimentation
- C.
  
  Rheological evaluation
- D.
  
  None of the above
6.

Stokes law is related to
- A.
  
  Syrup
- B.
  
  Suspension
- C.
  
  Solution
- D.
  
  None of the above
7.

Structured vehicle is included in the formulation of a suspension in order to
- A.
  
  Prevent sedimentation
- B.
  
  Decrease interfacial tension
- C.
  
  Prevent cake formation
- D.
  
  None of the above
8.

Sedimentation volume of ideal suspension should be
- A.
  
  Less than one
- B.
  
  More than one
- C.
  
  Equal to one
- D.
  
  Zero
9.

During storage period, In suspension crystal growth is observed due to
- A.
  
  Absorption of water
- B.
  
  Fluctuations in the ambient temperatures
- C.
  
  Presence of suspending agents
- D.
  
  None of the above
10.

In the formulation development of suspension, what type of diameter is important?
- A.
  
  Sieve
- B.
  
  Stoke's
- C.
  
  Projected
- D.
  
  Length number

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