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. COPDRespiratory failureType I:- Parenchymal disease,- ARDS,- Pneumoniae,EmphysemaType II:- COPD,- Flail chest etc.Type III:- Atelectasis