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 (B)</p> Signup and view all the answers

Which drug increases the permeability of bacterial plasma membrane?

<p>Polymixins (B)</p> Signup and view all the answers

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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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