Question

    Which bacteria was discovered by Barry Marshall and

    Robin Warren that colonises the human stomach and causes chronic superficial gastritis ulcers?
    A Campylobacter jejuni Correct Answer Incorrect Answer
    B Helicobacter pylori Correct Answer Incorrect Answer
    C Neisseria gonorrhoeae Correct Answer Incorrect Answer
    D Entamoeba histolytica Correct Answer Incorrect Answer

    Solution

    Barry Marshall and Robin Warren discovered the bacterium Helicobacter pylori. Their discovery revolutionized the understanding of peptic ulcer disease and gastritis. Initially, their hypothesis that bacteria could cause gastritis and peptic ulcers faced skepticism, but subsequent research confirmed the role of H. pylori in these conditions.

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