Pharmacology: Mode of Action of Antibiotics
10 Questions
0 Views

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 primary target of fluoroquinolones in Gram (-) bacteria?

  • Cytoplasmic membrane
  • Topoisomerase IV
  • RNA polymerase
  • DNA gyrase (topoisomerase II) (correct)

Rifamycins selectively bind to which subunit of bacterial RNA polymerase?

  • α subunit
  • ß subunit (correct)
  • γ subunit
  • δ subunit

What is the primary mode of action of rifamycins?

  • Inhibition of protein synthesis
  • Inhibition of DNA synthesis
  • Inhibition of RNA transcription (correct)
  • Disruption of cytoplasmic membrane

Which antibiotic is specifically used to treat infections caused by Mycobacterium tuberculosis?

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

What is the primary target of fluoroquinolones in Gram (+) bacteria?

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

Polymyxin acts by disrupting which structure in bacterial cells?

<p>Cytoplasmic membrane (C)</p> Signup and view all the answers

What is the primary mode of action of polymyxins?

<p>Disruption of cytoplasmic membrane (D)</p> Signup and view all the answers

Which of the following antibiotics inhibits DNA synthesis?

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

What is the primary mode of action of fluoroquinolones?

<p>Inhibition of DNA synthesis (B)</p> Signup and view all the answers

Daptomycin acts by which mode of action?

<p>Selective disruption of cytoplasmic membrane (C)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser