A Class of Students Has Learned About Contributing Factors to Duodenal

Multiple Choice

A class of students has learned about contributing factors to duodenal ulcers. What statement indicates to the professor that the students need a review?

A) Bleeding from duodenal ulcers causes hematemesis or melena.
B) Gastric emptying is slowed, causing greater exposure of the mucosa to acid.
C) The characteristic pain begins 30 min to 2 hours after eating
D) Duodenal ulcers occur with greater frequency than other types of peptic ulcers.