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
Complication of positive pressure ventilation – 
Select and explain. 
A. Pneumothorax, B. Bradycardia, C. Decreased ventilation, D. Arrhythmias
A: Pneumothorax
Answer: A: Pneumothorax 
Explanation: PEEP & CPAP can cause barotrauma which may result in pneumothorax, pneumoperitoneum, penumopericardium/ cardiac tamponade.