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: Social & Preventive Medicine
[{'content': 'Spectrum of IDD does NOT include- \nSelect and explain. \nA. Still bihs, B. Hyperactivity, C. Deafness, D. Delayed development', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is `b' i.e., Hyperactivity Spectrum of I DI) in order of increasing severity, Goitre Hypothyroidism o Subnormal intelligence o Delayed motor milestones o Mental retardation o Hearing defects o Intrauterine death (still bih, aboion) Speech defects Strabismus (squint) Nystagmus Spasticity (extrapyramidal) Neuromuscular weakness o Endemic cretinism", 'role': 'assistant'}]