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: Medicine
[{'content': 'The acute moality rate associated with each variceal bleeding is: \nSelect and explain. \nA. 10%, B. 20%, C. 30%, D. 40%', 'role': 'user'}, {'content': "Answer: C \nExplanation: Variceal hemorrhage: Esophageal variceal bleeding is the second most common cause of severe UGI bleeding The acute moality rate with each bleed is approximately 30% Liver transplantation, can improve survival in selected patients. Ref:Sleisenger and Fordtran's,E-9,P-302", 'role': 'assistant'}]