Mastering Antimicrobial Combinations
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Questions and Answers

Which type of antibiotics are substantially impaired by simultaneous use of drugs that impair microbial growth of most ribosomal inhibitors?

  • Bacteriostatic antibiotics (correct)
  • Cephalosporins
  • Bacteriocidal antibiotics
  • Penicillins

In a life-threatening situation, combination therapy is most appropriate for which of the following scenarios?

  • A patient with a viral infection
  • A patient with a fungal infection
  • A horse with pleural pneumonia (correct)
  • A cat with a bite abscess

What is a typical choice for treating a cat with a bite abscess?

  • Amoxycillin clavulanic acid (correct)
  • Macrolides
  • Phenicols
  • Tetracyclines

Which of the following is NOT a reason for choosing combinations of antimicrobials?

<p>To increase the effectiveness of a single antimicrobial (A)</p> Signup and view all the answers

In the context of antimicrobial combinations, what does clavulanic acid do?

<p>Prevents beta-lactamase from inactivating amoxicillin (B)</p> Signup and view all the answers

Which of the following statements is true about the combination of trimethoprim and sulfonamide?

<p>Sulfonamide potentiates the synergistic effect of trimethoprim (D)</p> Signup and view all the answers

Which class of antibiotics inhibits protein synthesis?

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

What is a common cause of mild mastitis in horses?

<p>Both contagious and environmental pathogens (A)</p> Signup and view all the answers

What is the recommended treatment for infectious stomatitis in bearded dragons?

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

Which mechanism of action is associated with beta-lactam antibiotics?

<p>Punching holes in the cell-wall (C)</p> Signup and view all the answers

Which of the following is a common reason for choosing combinations of antimicrobials?

<p>To reduce the risk of or overcome bacterial resistance (A)</p> Signup and view all the answers

Which of the following is an example of additive or synergistic action?

<p>Clavulanic acid with amoxicillin (A)</p> Signup and view all the answers

When would combination therapy be most appropriate?

<p>Treatment of a life-threatening situation (C)</p> Signup and view all the answers

Which of the following is NOT a bacteriocidal antibiotic?

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

In a life-threatening situation, combination therapy is most appropriate for which of the following scenarios?

<p>A horse with pleural pneumonia (C)</p> Signup and view all the answers

What is the appropriate treatment for a cat with a bite abscess?

<p>Amoxycillin clavulanic acid (B)</p> Signup and view all the answers

Which class of antibiotics inhibits folate synthesis?

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

What is the most likely cause of mild mastitis in horses?

<p>Both Staphylococcus aureus and Streptococcus uberis (C)</p> Signup and view all the answers

Which antibiotic is recommended for treating mild mastitis caused by environmental pathogens?

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

What is the recommended treatment for infectious stomatitis in bearded dragons?

<p>Oral trimethoprim sulfonamide (D)</p> Signup and view all the answers

Which of the following is a common reason for choosing combinations of antimicrobials?

<p>To treat mixed bacterial infections (A)</p> Signup and view all the answers

What is a sensible choice for treating a tortoise or rat with respiratory signs?

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

Which of the following is an example of additive or synergistic action?

<p>Clavulanic acid with amoxicillin (B)</p> Signup and view all the answers

Which of the following antibiotics is classified as bacteriostatic?

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

In a life-threatening situation, when is combination therapy most appropriate?

<p>When treating a horse with pleural pneumonia (C)</p> Signup and view all the answers

Which antibiotic would be added to the treatment of a horse with pleural pneumonia if Bacteroides fragilis is cultured on anaerobic culture?

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

Which class of antibiotics inhibits protein synthesis?

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

What is a common cause of mild mastitis in horses?

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

What is the appropriate treatment for a cat with a bite abscess?

<p>A combination of antibiotics (B)</p> Signup and view all the answers

What is the recommended treatment for infectious stomatitis in bearded dragons?

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

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