Commonest site of peptic ulcer is :
Answer is A (1st pa of Duodenum) First pa of duodenum is the most common site for peptic ulceration. Sites in order of decreasing frequency : Duodenum, 1st poionQ Stomach, usually antrum Q At the gastro-esophageal junction, in the setting of gastroesophageal reflux Q Within the margins of a gastrojejunostomy Q In the duodenum, stomoch or jejunum of patients with Zollinger- Ellison Syndrome Q Within or adjacent to a Meckels diveiculum that contains ectopic gastric mucosa Q Peptic ulcers are usually solitary lesions less than 4 cm in diameter
1st pa of Duodenum
IInd pa of duodenum
Distal 1/3 of stomach
Pylorus of the stomach