Q. Regarding peptic ulceration (Solved)
1. it occurs most commonly in the antrum of the stomach
2. it has a strong genetic influence
3. there is H. pylori infection of the mucosa in 50% of patients with duodenal ulceration
4. it is more frequent in patients with chronic obstructive pulmonary disease
5. gastric acid is the only prerequisite for formation of ulcers
- d. it is more frequent in patients with chronic obstructive pulmonary disease