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: Medicine
[{'content': 'Positive End Expiratory Pressure is useful in: March 2009 \nSelect and explain. \nA. Pneumonia, B. ARDS, C. Pulmonary edema, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D: All of the above Positive end-expiratory pressure (PEEP) is a term used in mechanical ventilation to denote the amount of pressure above atmospheric pressure present in the airway at the end of the expiratory cycle. It is indicated in Hypoxemia due to the following: ARDS Pneumonia Pulmonary edema Atelectasis', 'role': 'assistant'}]