This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
Bag and mask ventilation is absolutely contraindicated in – 
Select and explain. 
A. Tracheo-esophageal fistula with esophageal atreasia and esophagus connected to trachea, B. Diaphragmatic hernia, C. Meconium aspiration, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Bag and mask ventilation is contraindicated when there are increased chances of aspiration like :- full stomach, intestinal obstruction, pregnancy, hiatus hernia, Diaphragmatic hernia, Tracheo-esuphageal fistula, Meconium aspiration syndrome.