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
Which is NOT a type I respiratory failure: March 2013 (e) 
Select and explain. 
A. ARDS, B. COPD, C. Pulmonary edema, D. Pneumonia
B: COPD
Answer: B: COPD 
Explanation: Ans. B i.e. COPD Respiratory failure Type I: - Parenchymal disease, - ARDS, - Pneumoniae, Emphysema Type II: - COPD, - Flail chest etc. Type III: - Atelectasis