Antibiotic Therapy for H.pylori Eradication

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Questions and Answers

What is the primary purpose of using antibiotic therapy for H. pylori?

  • To reduce the risk of complications from H. pylori infection
  • To eradicate the H. pylori bacteria in the gastrointestinal tract (correct)
  • To treat nausea and diarrhea associated with H. pylori infection
  • To suppress the secretion of gastric acid

Which of the following is NOT a common medication used for antibiotic therapy against H. pylori?

  • Clarithromycin
  • Ranitidine (correct)
  • Metronidazole
  • Amoxicillin

What is the recommended duration of antibiotic therapy for treating H. pylori infection?

  • 21 days
  • 7 days
  • 10 days
  • 14 days (correct)

What is the primary mechanism of action of Histamine2-receptor antagonists in the treatment of H. pylori infection?

<p>They block the H2 receptors that suppress secretion of gastric acid (B)</p> Signup and view all the answers

Which of the following is a potential adverse effect of Histamine2-receptor antagonists?

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

Which of the following interactions is associated with the use of cimetidine?

<p>Increased levels of warfarin, phenytoin, theophylline, and lidocaine (D)</p> Signup and view all the answers

Which of the following antibiotics is NOT commonly used in the treatment of H. pylori infection?

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

What is the primary purpose of combining 2-3 antibiotics in the treatment of H. pylori infection?

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

Which of the following is a potential adverse effect of Histamine2-receptor antagonists that is not directly related to the GI system?

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

How can the use of Histamine2-receptor antagonists increase the risk of pneumonia?

<p>By decreasing gastric acid secretion, leading to bacterial overgrowth in the stomach and lungs (A)</p> Signup and view all the answers

Which of the following is a potential adverse effect of Histamine2-receptor antagonists that is more common in older people with kidney or liver disease?

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

How can the use of cimetidine, a Histamine2-receptor antagonist, interact with other medications?

<p>By inhibiting the metabolism of certain drugs, leading to increased drug levels (A)</p> Signup and view all the answers

What is the primary mechanism of action of Histamine2-receptor antagonists in the treatment of H. pylori infection?

<p>They block the production of gastric acid, creating an unfavorable environment for H. pylori (B)</p> Signup and view all the answers

What is the recommended duration of antibiotic therapy for treating H. pylori infection?

<p>14 days (C)</p> Signup and view all the answers

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