Part 3

Question 1

H pylori in stomach and ulcer in duodenum?

Answer 1

H pylori causes increased acid production, bicarbonate inhibition, inflammatory mediators

Question 2

Relevance of urea breath test?

Answer 2

H pylori urease activity

Question 3

Drugs for peptic ulcer and H pylori

Answer 3

Proton pump inhibitor- reduce stomach acid and antibiotics

Question 4

Acid in the stomach regulated?

Answer 4

By balance between acid secretion and mucousal protection mechanisms = stomach/ duodenum aren’t damaged