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
Definite contraindication for bag and mask ventilation is:- 
Select and explain. 
A. Cleft lip, B. Cleft palate, C. Congenital diaphragmatic hernia, D. Umbilical hernia
C: Congenital diaphragmatic hernia
Answer: C: Congenital diaphragmatic hernia 
Explanation: Bag & mask ventilation - avoided in Congenital diaphragmatic hernia It enlarges the stomach and small bowel & makes oxygenation more difficult.