Other questions in this quiz

2. Fill in the blanks of this description of the random walk model.

  • a) kinetic energy b) concentration c) thermal d) maintain e) low
  • a)kinetic energy b) concentration c) controlled d) resist e) low
  • a)entropy b)concentration c) thermal d)maintain e) high

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

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

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

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

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

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


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