This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neonatal Resuscitation, Subject name: Pediatrics
What is the pressure required to deliver 1st breath to a neonate? 
Select and explain. 
A. 10 to 20 cm H2O, B. 30 to 40 cm H2O, C. 50 to 60 cm H2O, D. 80 to 100 cm H2O
B: 30 to 40 cm H2O
Answer: B: 30 to 40 cm H2O 
Explanation: Pressure required to deliver 1st breath to a neonate is 30 to 40 cm H2O Subsequent breaths -15 to 20 cm H2O