Applied Pharmaceutical Microbiology II: Chemical Antimicrobial Agents Quiz
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Questions and Answers

Which of the following is NOT considered a physical antimicrobial agent?

  • Desiccation
  • Radiation
  • Halogens (correct)
  • Heat
  • What is the major group of chemical antimicrobial agents used as disinfectants, antiseptics, and preservatives?

  • Aldehydes
  • Quaternary Ammonium Compounds
  • Phenols and Phenolics (correct)
  • Heavy metals
  • What is the effect of organic matter on the activity of chemical antimicrobial agents?

  • No effect on the activity
  • Turns the agent into a physical antimicrobial agent
  • Enhances the activity
  • Reduces the activity (correct)
  • What does the phenol coefficient test evaluate?

    <p>Effectiveness of disinfectants and antiseptics</p> Signup and view all the answers

    Which property affects the activity of chemical antimicrobial agents through the concentration exponent?

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

    What is the mechanism of action of halogens as chemical antimicrobial agents?

    <p>Oxidation of cellular components</p> Signup and view all the answers

    What is the classification of chemicals derived from one microorganism or living cell, which can kill another microorganism, usually within the body?

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

    What is the process whereby physical or chemical methods are used to remove/destroy microorganisms and reduce their number on a surface to a non-harmful level?

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

    Which chemical agent is used for physical (non-chemical) disinfection?

    <p>Ultraviolet radiation</p> Signup and view all the answers

    What are agents applied to the living tissues of humans, other animals, and plants to destroy or inhibit the growth of infectious microorganisms called?

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

    What is the substance used to inactivate or destroy microorganisms living on non-living (or inanimate) inert surfaces?

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

    Which chemical group includes chemicals like sodium benzoate, benzoic acid, sorbic acid, thiomersal, and phenyl mercuric nitrate (PMN)?

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

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