GI tract disorders · Physiology

Helicobacter pylori contributes to peptic ulcer disease by:

  1. Increasing bicarbonate secretion
  2. Reducing gastric acid production
  3. Damaging mucosal defenses
  4. Enhancing gastric emptying and motility
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Correct answer: Damaging mucosal defenses

H. pylori disrupts the mucosal barrier and induces inflammation. This increases susceptibility to acid-mediated injury.

Difficulty: Medium Question 3 of 20

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