Continuous Assessment No 03

10 Questions | Total Attempts: 1060

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Continuous Assessment No 03 - Quiz

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