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': 'Which of the following is not seen in ARDS: \nSelect and explain. \nA. Pulmonary edema, B. Hypoxemia, C. Stiff lung, D. Hypercapnia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer is D (Hypercapnia): ARDS results in Type I Respiratory failure and is characterized by normal or h>>*, PaCO2 (Hypocapnia) and not Hypercapnia. Reduced compliance (Stiff lung), Hypoxemia and Non-Cardiogenic Pulmonary Edema are typical features of ARDS.', 'role': 'assistant'}]