<prompt> The most commonly used scoring system to assess moality and risk of rebleeding in the setting of nonvariceal upper GI bleeding is:Blatchford ScoreThe Clinical Rockall ScoreAificial neural network scoreThe complete rockall scoring  <response>: Pre-endoscopy scoring systems for nonvariceal bleeding Blatchford Score The Clinical Rockall Score Aificial neural network score. The most commonly used post endoscopy scoring system is -Complete Rockall Score The Complete Rockall Score includes The Clinical Rockall Score endoscopic findings. It correlates well with moality but not with the risk for rebleeding. Ref: Sleisenger and Fordtrans, E-9, P-293. 