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': 'Treatment for poosystemic encephalopathy is all except \nSelect and explain. \nA. High protein diet, B. Lactulose, C. Oral neomycin, D. Enema', 'role': 'user'}, {'content': 'Answer: A \nExplanation: It most often results from high gut protein or acute metabolic stress (eg, GI bleeding, infection, electrolyte abnormality) in a patient with poosystemic shunting. Symptoms are mainly neuropsychiatric (eg, confusion, asterixis, coma). Diagnosis is based on clinical findings. Ref Davidson edition23rd pg 864', 'role': 'assistant'}]