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
A neonate delivered at 32 weeks, is put on a ventilator, X-ray shows "white out lung" and ABG reveals PO2 of 75. Ventilator settings are FiO2 of 70, and rate of 50/ minute. Next step to be taken should be? 
Select and explain. 
A. Increase rate to 60 per minute, B. Increase FiO2 to 80, C. Continue ventilation with the same settings, D. Start weaning off ventilator
C: Continue ventilation with the same settings
Answer: C: Continue ventilation with the same settings 
Explanation: c. Continue ventilation with the same settings(Ref: Nelson's 20/e p 850-857, Ghai 8/e p 168-170)Given clinical features & X-ray findings suggest a diagnosis of RDS. With the given ventilator settings, baby is just maintaining adequate pO2 of 75mmHg. So, ventilation should be continued with same settings, till baby improves.