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: Pediatrics
Steeple sign is seen in ? 
Select and explain. 
A. Acute epiglottis, B. Laryngotracheobronchitis (croup), C. In both cases, D. None of above
B: Laryngotracheobronchitis (croup)
Answer: B: Laryngotracheobronchitis (croup) 
Explanation: Ans. is 'b' i.e., Laryngotracheobronchitis (croup)