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': "A non-ventilated preterm baby in incubator is under observation. Which is the best way to monitor the baby's breathing and detect apnea? \nSelect and explain. \nA. Infrared throracic movement study, B. Capnography, C. Nasal digital temperature monitoring, D. Impedance technique", 'role': 'user'}, {'content': 'Answer: D \nExplanation: d. Impedance technique(Ref: AAP guidelines 2015)Respiratory monitoring is based on impedance technique, that measures changes in electrical resistance during breathing;The electrode is fixed on the chest wall to pick up signals which are displayed as respiratory rate.', 'role': 'assistant'}]