Pharmacodynamics: Mechanism of Drug Action
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Questions and Answers

Which drug acts by physical means?

  • Erythromycin
  • Polymixins
  • Penicillamine
  • Mannitol (correct)
  • Which drug is used in the treatment of Wilson’s disease by chelating copper?

  • Protamine
  • Deferoxamine
  • EDTA
  • Dimercaprol (BAL) (correct)
  • Which drug antagonizes heparin through chemical action?

  • Amphotricin B
  • Liquid paraffin
  • Chloramphenicol
  • Protamine (correct)
  • Which drug binds to the 30 S ribosomal subunit to inhibit protein synthesis in bacteria?

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

    Which drug increases the permeability of bacterial plasma membrane?

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

    Study Notes

    Pharmacology

    • Physical means: Sucralfate acts by physical means.
    • Treatment of Wilson's disease: Penicillamine is used in the treatment of Wilson's disease by chelating copper.
    • Heparin antagonist: Protamine sulfate antagonizes heparin through chemical action.
    • Protein synthesis inhibitor: Tetracycline binds to the 30S ribosomal subunit to inhibit protein synthesis in bacteria.
    • Bacterial plasma membrane permeability: Polymyxin increases the permeability of bacterial plasma membrane.

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    Description

    Explore the biochemical and pharmacological effects of drugs and their mechanisms of action in this lecture series by Dr. Ghada Samy. Learn about receptor-mediated and non-receptor mediated actions of drugs, as well as the biochemical processes involved in drug interactions.

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