This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous ENT, Subject name: ENT
[{'content': 'Steeple sign is seen in case of \nSelect and explain. \nA. Acute epiglottitis, B. Diphtheria, C. Acute tonsillitis, D. Acute Laryngo tracheo bronchitis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: X-ray finding in Acute LaryngotracheobronchitisIt is an inflammatory condition of the larynx, trachea and bronchi.Mostly, it is a viral infection (parainfluenza type I and II) affecting children between 6 months and 3 years of age. - Thumb sign is seen in Acute epiglottitisDhingra 6e pg: 290', 'role': 'assistant'}]