This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Benign Gastric Disease, Subject name: Surgery
Most common cause of upper GI bleed - 
Select and explain. 
A. Esophageal varices, B. Erosive gastritis, C. Peptic ulcer disease, D. Trauma
C: Peptic ulcer disease
Answer: C: Peptic ulcer disease 
Explanation: Ans. is 'c' i.e., Peptic ulcer disease o Upper G1 bleed refers to GI bleed refers to GI bleed occuringproximal to the ligament ofTreitz (.Ligament ofTreitz is a fibromuscular band extending from the right crus of diaphragm to the duodeno-jejunal flexure)Causes of upper GI bleed (in descending order)o Peptic ulcery Duodenal ulcersy Gastric ulcerso Oesophageal variceso Gastritis, erosionso Mallory-Wess terso Uncommon causesy Gastric carcinomay Esophagitis y Pancreatitisy Hemobiliay Vascular lesions