This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Medicine
Most common cause of upper GI bleed is ? 
Select and explain. 
A. Esophageal varices, B. Gastric erosion, C. Peptic ulcer, D. Mallory weiss tear
C: Peptic ulcer
Answer: C: Peptic ulcer 
Explanation: <p>Davidson&;s principles and practice of medicine 22nd edition. *peptic ulcer is the most common cause for upper GI bleed (35- 50%)</p>