An older adult patient is being evaluated for a possible duodenal ulcer (DU) . Which of the following assessments supports the diagnoses? (Select all that apply.)
A) Passing a moderate amount of dark reddish-brown stool
B) Reporting a stabbing pain in the epigastric region
C) Asking for some crackers to stop my stomach cramps
D) Reporting the need to take antacid tablets most days
E) Having a rigid abdomen about 2 hours after eating