Plant Compounds and Human Health Quiz
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Questions and Answers

What effect do saponins have on erythrocytes?

  • Promote erythrocyte growth
  • Increase hemoglobin production
  • Prevent hemolysis through membrane stabilization
  • Induce hemolysis by changing membrane permeability (correct)

    • Why does hemolysis take place on parenteral administration of saponins?

  • Increased permeability in the digestive system
  • Enhanced absorption through skin
  • Limited absorption by mouth (correct)
  • Reduced toxicity through injection

    • What is the toxicological importance of furanocoumarins?

  • Reduction of skin irritation
  • Enhanced skin pigmentation
  • Prevention of skin disorders
  • Photosensitive properties causing skin damage (correct)

    • How does light affect the skin after percutaneous or oral absorption of furanocoumarins?

    <p>Causes skin injury with erythema and blistering</p> Signup and view all the answers

    What has been the recent success of xanthotoxins in treatment?

    <p>Symptomatic treatment of psoriasis</p> Signup and view all the answers

    What is the effect of saponins on erythrocytes?

    <p>Induce hemolysis by changing membrane permeability</p> Signup and view all the answers

    Why does hemolysis take place on parenteral administration of saponins?

    <p>Limited absorption by mouth</p> Signup and view all the answers

    What is the toxicological importance of furanocoumarins?

    <p>Photosensitive properties causing skin damage</p> Signup and view all the answers

    How do plant extracts containing furanocoumarins affect pigmentation defects?

    <p>Used in treatment of pigmentation defects</p> Signup and view all the answers

    What treatment has met with considerable success for symptomatic treatment of psoriasis?

    <p>Xanthotoxins and irradiation with long wavelength</p> Signup and view all the answers

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