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: Anaesthesia
[{'content': 'A 4-year-old child was intubated while posted for craniotomy. Suddenly anesthetic machine staed showing bellowing. Next management is: \nSelect and explain. \nA. Sta manual ventilation, B. Do nothing, C. Larger size of endotracheal tube, D. Increase flow rate', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. c. Larger size of endotracheal tube The question is incomplete (not recalled properly).', 'role': 'assistant'}]