This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New Born Infants, Subject name: Pediatrics
[{'content': 'The initiation of the first breath in a newborn is due to: \nSelect and explain. \nA. |pH; |PaO2; |PaCO2, B. |pH; |PaO2; |PaCO2, C. |pH; |PaO2, |PaCO2, D. |pH; |PaO2, |PaCO2', 'role': 'user'}, {'content': 'Answer: B \nExplanation: b. |pH;|PaO2 ;|PaCO2 (Ref: AAP guidelines 2015, Ghai 8/e p 126-133)Hypoxia, hypercapnia & acidosis = Respiratory center in the brain stimulated = Breathing', 'role': 'assistant'}]