This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Psychiatry
[{'content': 'Now-a-days Down syndrome Is referred to as. \nSelect and explain. \nA. Submental disorder, B. Oligophrenia, C. Madness, D. Mentally unstable', 'role': 'user'}, {'content': 'Answer: A \nExplanation: * Majority of children with Down syndrome function in mild to moderate range of mental retardation. * Down syndrome / Trisomy 21 - * Genetic disorder caused by presence of all or pa of a third copy ofchromosome 21. * Typically associated with physical growth delays, characteristic facial features and mild to moderate intellectual disability. REF: DAVIDSONS 21ST ED', 'role': 'assistant'}]