This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory System, Subject name: Pediatrics
[{'content': 'Most confirmatory sign of endotracheal intubation is? \nSelect and explain. \nA. Chest rise, B. Auscultation, C. Spirometry, D. Capnography', 'role': 'user'}, {'content': 'Answer: D \nExplanation: d. Capnography(Ref: AAP guidelines 2015, Ghai 8/e p 126-133)Exhaled CO2 detection or Capnography is the recommended or confirmatory method to assess position of Endotracheal tubeOther methods are: bilateral chest movements, presence of equal breath sounds bilaterally, condensation in endotracheal tube.', 'role': 'assistant'}]