<prompt> Most common cause of upper GI bleedGastric cancerOesophageal varicesDuodenal ulcersGastric ulcers  <response>: Answer- C. Duodenal ulcersCauses ofupper GI bleeding in descending orderPeptic ulcer - Duodenal ulcer - gastric ulcerOesophageal varicesGastritis erosionsMallory-Weiss tearsUncommon causes - Gastric carcinoma, esophagitis, pancreatits. 