This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
Regarding upper GI bleed-true statement is 
Select and explain. 
A. Most common cause is variceal bleeding, B. It is bleeding up to ampulla of Vater, C. MC management is endoscopic banding, D. Rockall scoring is used for risk stratification
D: Rockall scoring is used for risk stratification
Answer: D: Rockall scoring is used for risk stratification 
Explanation: Ref. Sabiston Textbook of Surgery. Pg. 1142
 
GI Bleeding
Most common cause of GI Bleed is Non variceal bleeding (80%)

Upper GI bleed is defined bleeding arising from esophagus ,stomach ,or duodenum .
Rockall and Baylor scoring for predicatabilty of rebleeding and mortality
1st line management includes IV Fluids + blood (1:3) + PPI Infusion + upper GI endoscopy .