Surgery The investigations for duodenal ulcer are -a) Hypotonic duodenographyb) Barium mealc) Barium swallowd) Upper GI endoscopye) Abdominal X-ray erect view A acd B abd C abc D ab 💡 Explanation The investigations for duodenal ulcer are -a) Hypotonic duodenographyb) Barium mealc) Barium swallowd) Upper GI endoscopye) Abdominal X-ray erect view ✓ Correct Answer: B. abd