<prompt> Endoscopic biopsy from a case of H. pylori related duodenal ulcer is most likely to reveal:Antral predominant gastritisMultifocal atrophic gastritisAcute erosive gastritisGastric atrophy  <response>: Ans. a Antral predominant gastritisRef: Harrison 18th ed: 2458, 17th ed:1870The most common cause of chronic gastritis- H. pylori QWithin the stomach, H. pylori are most often found in the antrum - antral predominant gastritis Q or type B gastritis Q 