A 42-year-old man from rural India presents with chronic epigastric pain and dyspepsia. Upper endoscopy is performed and reveals the finding marked **A** in the diagram—diffuse antral erythema in a patchy, confluent distribution. Rapid urease testing on antral biopsies is positive. Which of the following best explains the pathophysiologic mechanism by which this organism survives in the acidic gastric environment and causes this characteristic antral mucosal inflammation?
Ready to test yourself?
Test your Medicine knowledge with AI-powered MCQs and detailed explanations — no signup required to try.
Sign up free and practice all 1 H. pylori Chronic Gastritis MCQs with AI-powered explanations tailored to your performance.
Create Free Account