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': 'For cardiopulmonary resuscitation in neonates ratio of chest compression to ventilation is \nSelect and explain. \nA. 2:01, B. 3:01, C. 4:01, D. 5:02', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans: b (3:1) Ref: Nelson, 18th ed,p. 389; 17th ed,p. 280Chest compression-ventilation relationship Neonate1-8 years> 8 yearsCompression rate120At least 100100Compression to ventilation ratio3:15:115:2Pulse checkUmbilical arteryBrachialcarotidQuestion is a direct pick from the above Table in Nelson.', 'role': 'assistant'}]