Other questions in this quiz

2. In release rate slab geometry, which of these are not used in the dMt/dt equation?

  • porosity
  • partition coefficient between membrane and reservoir
  • Total surface area
  • diffusion coefficient in polymer membrane

3. Which of these is diffusion through polymer (Dp) not dependant on?

  • Surface area
  • diffusion coefficient through liquid pores
  • Porosity
  • tortuosity

4. Which of these processes is the rate controlling step in the diffusion model?

  • diffusion across boundary layer
  • diffusion into the bulk
  • diffusion through the membrane
  • dissolution from drug particles to molecules

5. In classification of Rate-Controlled Systems, fill in the blanks.

  • a) pulsatile b) erodible c) membrane/reservoir
  • a) membrane/reservoir b) erodible c) swelling
  • a) erodible b) swelling c) membrane/reservoir


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