Antibiotic Drugs and Antimicrobial Agents in Pharmacology Practical Quiz

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Questions and Answers

Which class of antibiotics kills or inhibits the growth of bacteria?

  • Bactericidal (correct)
  • Gram positive
  • Broad spectrum
  • Transpeptidation

What is the mechanism of action of penicillin?

  • Interference with DNA replication
  • Interference with bacterial cell wall synthesis (correct)
  • Activation of viral enzymes
  • Inhibition of host immune system

What is the main difference between bactericidal and bacteriostatic antibiotics?

  • Their effect on the immune system
  • Their interaction with peptidoglycan strands
  • Their mechanism of action (correct)
  • Their cost of therapy

Which type of antibiotics act against gram positive and gram negative bacteria?

<p>Broad spectrum antibiotics (C)</p> Signup and view all the answers

Why is identifying the infecting organism important in selecting antimicrobial agents?

<p>To ensure targeted treatment (C)</p> Signup and view all the answers

What is the mechanism of action of β-Lactamase inhibitors in combination with penicillins?

<p>Inactivating the enzymes that destroy penicillins (A)</p> Signup and view all the answers

Which of the following is NOT a therapeutic use of penicillins?

<p>Treatment of viral infections (D)</p> Signup and view all the answers

What is the main adverse effect of penicillin hypersensitivity?

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

What problem is commonly caused by a disruption of the normal balance of intestinal microorganisms due to penicillin use?

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

How does antibiotic resistance affect the effectiveness of antibiotics?

<p>It decreases the effectiveness of antibiotics (D)</p> Signup and view all the answers

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