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: March 2013 \nSelect and explain. \nA. Pulmonary edema, B. Hypercapnia, C. Hypoxemia, D. Stiff lung', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B i.e. Hypercapnia ARDS/ Diffuse alveolar damage/ Shock lung Hypoxia, Hypocapnia, Acute onset of respiratory failure, Ground glass appearance on chest X-ray Air bronchogram sign is positive Associated with: Pancreatitis, - Trauma, - Multiple blood transfusions etc.', 'role': 'assistant'}]