This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Definition and Concepts in Sociology & Psychology, Subject name: Social & Preventive Medicine
[{'content': 'Mental retardation term has been replaced by: \nSelect and explain. \nA. Mental deficiency, B. Mental lack, C. Mentally challenged, D. Intellectual disability', 'role': 'user'}, {'content': 'Answer: D \nExplanation: American Psychiatric Association (APA) is responsible for naming, defining, and describing mental disorders. In the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM - 5), the APA replaced "Mental retardation" with "Intellectual disability (intellectual developmental disorder)".', 'role': 'assistant'}]