Antimicrobial Agents: Vancomycin Mechanism of Action
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Questions and Answers

What is the mechanism of action of chloramphenicol?

  • Inhibiting DNA gyrase
  • Inhibiting cell wall synthesis
  • Inhibiting protein synthesis by binding to the 50S ribosomal subunit (correct)
  • Inhibiting dihydropteroate synthase

What is the most serious adverse effect of chloramphenicol in humans?

  • Abdominal distention
  • Allergic reactions
  • Bone marrow suppression and aplastic anemia (correct)
  • Gray baby syndrome

What is the clinical use of sulfa drugs?

  • Treating fungal infections
  • Treating bacterial infections such as urinary tract infections (correct)
  • Treating parasitic infections
  • Treating viral infections

What is the mechanism of action of sulfa drugs?

<p>Inhibiting dihydropteroate synthase (D)</p> Signup and view all the answers

Why are sulfonamides not classified as antibiotics?

<p>Because they are not produced by living organisms (A)</p> Signup and view all the answers

What is the potential side effect of taking sulfa drugs for a long period of time?

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

What is the mechanism of action of vancomycin?

<p>Inhibits bacterial cell wall synthesis (A)</p> Signup and view all the answers

Which type of bacteria is vancomycin used to treat?

<p>Gram-positive bacteria (B)</p> Signup and view all the answers

What is a potential side effect of vancomycin administration?

<p>Red neck syndrome (D)</p> Signup and view all the answers

What is a clinical use of vancomycin?

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

What is a potential toxicity of aminoglycosides?

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

What is an indication for chloramphenicol use?

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

What is a potential consequence of having low blood counts due to sulfonamides?

<p>Delayed healing of gum bleeds (D)</p> Signup and view all the answers

What is the primary route of administration for quinolones?

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

Which of the following antibiotics is bactericidal?

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

What is a potential adverse effect of taking sulfonamides?

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

Why should dental work be postponed when taking sulfonamides?

<p>Until blood counts return to normal (A)</p> Signup and view all the answers

What is a characteristic of fluoroquinolones?

<p>They are generally very safe (D)</p> Signup and view all the answers

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