Which bacterium is most strongly associated with duodenal ulcers?
Answer and explanation
Correct answer: D. Helicobacter pylori
- Step 1: H. pylori infection is found in most patients with duodenal ulcer.
Answer
Helicobacter pylori.
Why not the others: Escherichia coli, Salmonella typhi and Campylobacter jejuni do not fit this picture as well.
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