Ch.14 Antimicrobial Drugs: History of Chemotherapy Quiz
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Questions and Answers

What is the term used to describe the ability of a drug to selectively target and destroy pathogens without harming the host?

  • Antimicrobial activity
  • Antibiosis
  • Selective toxicity (correct)
  • Chemotherapy
  • What is the name of the mold that was identified as the source of penicillin?

  • Aspergillus fungus
  • Staphylococcus aureus
  • Penicillium notatum (correct)
  • Moldy Mary
  • What is the term used to describe a substance produced by microorganisms that inhibits the growth of other microorganisms?

  • Antiviral
  • Antifungal
  • Antimicrobial
  • Antibiotic (correct)
  • What is the primary difference between antibiotics and antimicrobial drugs?

    <p>Antibiotics are produced by microorganisms, while antimicrobial drugs are synthetic.</p> Signup and view all the answers

    What is the term used to describe the use of chemicals to treat a disease?

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

    In what year did the first clinical trials of penicillin take place?

    <p>1940</p> Signup and view all the answers

    What is the primary mode of action of bacteriostatic antibiotics?

    <p>They inhibit bacterial growth</p> Signup and view all the answers

    Which type of antibiotics is effective against a broad range of gram-positive and gram-negative bacteria?

    <p>Broad-spectrum antibiotics</p> Signup and view all the answers

    What is the primary mechanism of action of penicillin antibiotics?

    <p>They interfere with cell wall synthesis</p> Signup and view all the answers

    What is the primary difference between natural penicillins and semisynthetic penicillins?

    <p>The former are susceptible to penicillinases, while the latter are resistant</p> Signup and view all the answers

    What is the purpose of adding β-lactamase inhibitors to penicillin antibiotics?

    <p>To overcome resistance to penicillinases</p> Signup and view all the answers

    What is the term for the overgrowth of normal microbiota that is resistant to antibiotics?

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

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