Micro & Immunology · single question
H. pylori (Helicobacter pylori) is associated with which gastrointestinal condition?
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Correct answer: C. Duodenal ulcer
- A. GERD is caused by lower esophageal sphincter dysfunction — not primarily H. pylori.
- B. Crohn's disease is an inflammatory bowel disease with immune/genetic etiology — not caused by H. pylori.
- C. Correct. H. pylori is the primary causative agent in the majority of duodenal and gastric ulcers. It colonizes the gastric mucosa, disrupts the protective mucus layer, and leads to peptic ulcer disease. Eradication with antibiotics is the standard treatment.
- D. Ulcerative colitis is an inflammatory bowel disease — not caused by H. pylori.
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