H pylori –
Correct Answer: Obligate parasite on gastric mucosa
Description: Ans. is 'b' i.e. Obligate parasite on gastric mucosa H. pylori, though initially infects the gastric mucosa only, may later on infect the duodenal mucosa. the process is as follows : Infection of gastric mucosa leads to hypergastrinemia and acid hypersecretion. Acid hypersecretion leads to metaplasia in the duodenal mucosa. "This duodenal metaplasia allows H. pylori to colonize the duodenal mucosa and in these patients, the risk of developing a duodenal ulcer increases 50 fold" - Schwaz
Category:
Surgery
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now