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
[{'content': 'Poocaval encephalopathy is treated with \nSelect and explain. \nA. Lactulose, B. Large amount of amino acids, C. Emergency shunt surgery, D. Diuretics', 'role': 'user'}, {'content': "Answer: A \nExplanation: Lactulose(15-30mL 3times daily) is increased until the bowels are moving twice daily. It produces an osmotic laxative effect, reduces the pH of the colonic content, thereby limiting the colonic ammonia absorption, and promotes the incorporation of nitrogen into bacteria. Reference :Davidson, 23rd Edition, page no : 865.'", 'role': 'assistant'}]