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': 'In infant (full term) diameter (mm) length (cm) of ETT used are \nSelect and explain. \nA. 3.5, 16, B. 7,12, C. 3.5, 12, D. 7,10', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. 3.5 mm, 12 cm Endotracheal Intubation Endotracheal tube is sterilized by boilingQ and cuffed E.T. tube is inflated at pressure 15-22 mmHg In neurosurgical operations Armoured Endotracheal tubeQ is used. For quick intubation, DOC is Suxamethonium.Q', 'role': 'assistant'}]