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
Combination chemotherapy is not indicative in? 
Select and explain. 
A. Primary complex, B. Acute epiglottitis, C. Laryngotracheobronchitis, D. Immunologically supressed patients
C: Laryngotracheobronchitis
Answer: C: Laryngotracheobronchitis 
Explanation: Ans. is 'c' i.e., Laryngotracheobronchitis "Antibiotics may be useful in case of epiglotitis, but not in viral laryngotracheobronchitis".