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': 'Earliest sign In hepatic encephalopathy is - \nSelect and explain. \nA. Asterixes, B. Alternate constriction and dilated pupil, C. Constructional apraxia, D. Psychiatric abnormalities', 'role': 'user'}, {'content': 'Answer: A \nExplanation: <p>Davidson&;s principles and practice of medicine 22nd edition. *Earliest features are very mild and overlooked but as the conditions become more severe ,apathy ,inability to concentrate,confusion,disorientation,drowsiness,slurring of speech and eventually coma developed.Examination usually shows a flapping tremor (asterixis),inability to perform simple mental arithmetic task or to draw objects such as a star (constructional apraxia).</p>', 'role': 'assistant'}]