This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neurologic Evaluation, Subject name: Pediatrics
[{'content': 'Mental retardation is defined as IQ less than- \nSelect and explain. \nA. 85, B. 80, C. 75, D. 70', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans i.e., 'd' i.e., 70 Classification of mental retardationo A child with IQ < 70 is called as mentally retarded.Degree of MRIQMild51-70Moderate36-50Severe21-35Profound0-20o IQ level between 71-90 is designated as borderline intelligence.", 'role': 'assistant'}]