Which of the following microaerophilic bacteria is primarily responsible for the development of peptic ulcers?
Solution
Correct Answer: Option A
- Helicobacter pylori is a microaerophilic bacterium that colonizes the acidic environment of the stomach.
- It produces urease enzyme, which neutralizes stomach acid by converting urea to ammonia, allowing it to survive and damage the gastric mucosa.
- This damage leads to inflammation and ulcer formation, making H. pylori the primary cause of peptic ulcers.
- Other bacteria listed do not colonize or affect the stomach lining in this way.
- It produces urease enzyme, which neutralizes stomach acid by converting urea to ammonia, allowing it to survive and damage the gastric mucosa.
- This damage leads to inflammation and ulcer formation, making H. pylori the primary cause of peptic ulcers.
- Other bacteria listed do not colonize or affect the stomach lining in this way.
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