History of Antibiotics and Characteristics of an Ideal Antimicrobial Agent

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the mechanism of action of nystatin and amphotericin B?

  • Blocking mitosis or nucleic acid synthesis
  • Binding with cell membrane sterols (correct)
  • Interfering with protozoal metabolism
  • Interfering with sterol synthesis

Which antifungal agent works by blocking mitosis or nucleic acid synthesis?

  • 5-flucytosine (correct)
  • Miconazole
  • Nystatin
  • Amphotericin B

Why are antifungal agents more toxic to the patient?

  • They bind with cell membrane sterols
  • They are eucaryotic organisms (correct)
  • They interfere with protozoal metabolism
  • They interfere with DNA and RNA synthesis

Which antiprotozoal agent interferes with DNA and RNA synthesis?

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

How do antiprotozoal agents usually work?

<p>By interfering with protozoal metabolism (B)</p> Signup and view all the answers

Which antifungal drug is used to treat Aspergillosis and invasive candidiasis?

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

Which drug is used to treat giardiasis among the options provided?

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

What is the mechanism of action of griseofulvin as an antifungal agent?

<p>Blocking mitosis or nucleic acid synthesis (B)</p> Signup and view all the answers

Why are antiprotozoal agents usually toxic to the host?

<p>They interfere with DNA and RNA synthesis (A)</p> Signup and view all the answers

Which drug is used to treat malaria among the given options?

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

Flashcards are hidden until you start studying

More Like This

Use Quizgecko on...
Browser
Browser