Disperse Systems in Pharmaceutical Technology
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Questions and Answers

Which type of dispersion has particles that are not visible in the ordinary microscope but visible in the electronic microscope?

  • Molecular dispersion (true solution)
  • Colloidal dispersion (correct)
  • Coarse dispersion
  • None of the above
  • What is the particle size range for coarse dispersion?

  • More than 1 nm (correct)
  • Between 1 µm and 0.5 µm
  • Less than 1 nm
  • Between 0.5 µm and 1 nm
  • Which type of dispersion has particles that do not pass through a filter paper?

  • Molecular dispersion (true solution)
  • Colloidal dispersion
  • Coarse dispersion (correct)
  • None of the above
  • In which type of dispersion are the particles microscopically visible?

    <p>Coarse dispersion</p> Signup and view all the answers

    Which type of dispersion has particles that pass through a dialyzing membrane very slowly?

    <p>Colloidal dispersion</p> Signup and view all the answers

    Which type of vitamins are mainly classified as B complex and Vitamin C?

    <p>Water soluble vitamins</p> Signup and view all the answers

    In which condition does the absorption of Vitamin A reduce?

    <p>Biliary tract obstruction</p> Signup and view all the answers

    What plays a pivotal role in vision related to Vitamin A?

    <p>Rhodopsin</p> Signup and view all the answers

    Which symptom is associated with deficiency of Vitamin A?

    <p>Nyctalopia (Night Blindness)</p> Signup and view all the answers

    What condition was observed in the 47-year-old woman with progressive loss of vision and frequent severe episodes of diarrhea?

    <p>Bitot’s spots and inferior ulceration of the right cornea</p> Signup and view all the answers

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