Who discovered Helicobacter pylori, the bacterium responsible for peptic ulcers?
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Answer: C. Dr Barry Marshall and dr Robin Warren
Explanation
Dr Barry Marshall and dr Robin Warren successfully cultured the spiral bacterium from gastric biopsies. They demonstrated that stomach ulcers are typically caused by bacterial infection rather than lifestyle stress. This paradigm shifting discovery revolutionized gastroenterology and ulcer treatment protocols worldwide. Dr Barry Marshall famously ingested the bacterial culture himself to fulfill Koch postulates. Dr Robin Warren was an Australian pathologist who first noticed the unusual bacteria in biopsy samples. Their collaborative medical research earned them the prestigious Nobel Prize in Physiology or Medicine.
Discovering the bacterial cause of ulcers transformed a chronic painful condition into a curable infection. Antibiotics replaced lifelong acid suppression medications as the standard medical treatment for peptic ulcers. This breakthrough highlights the importance of challenging established medical dogma through rigorous empirical research. Robert Hooke was an early seventeenth century scientist famous for discovering plant cells using primitive microscopes. James Parkinson was a neurologist who first described the neurological movement disorder known as Parkinson disease. The option stating none of these is incorrect since Marshall and Warren clearly made the discovery.
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