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: Unknown
[{'content': 'The new terminology for down’s syndrome is ? \nSelect and explain. \nA. Submental disorder, B. Oligophrenia, C. Madness, D. Mentally unstable', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref. Oxford textbook of Psychiatry. Page 170\n\xa0\nDown’s Syndrome Features\n\nMost common autosomal trisomy \u2028\nMental retardation \u2028\nShort stature \u2028\nHypotonia \u2028\nDepressed nasal bridge, upslanting palpebral fissures, epicanthal fold \u2028\nCongenital heart defects in approximately 40% of cases \u2028\nIncreased risk of acute lymphoblastic leukemia \u2028\nAlzheimer disease by fifth or sixth decade (amyloid precursor protein, APP gene on chromosome 21) \u2028\nReduced fertility \u2028\nRisk increases with increased maternal age', 'role': 'assistant'}]