This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Anatomy
All are recognized causes of adult respiratory disress syndrome except: 
Select and explain. 
A. Smoke inhalation, B. Malignant hypeension, C. Gastric aspiration, D. Viral pnemonia
B: Malignant hypeension
Answer: B: Malignant hypeension 
Explanation: ARDS is associated with non cardiogenic pulmoanary edema.Malignant hypeension will cause development of cardiogenic pulmonary edema. The four most impoant causes of ARDS: Sepsis,diffuse pulmonary infections,gastric aspiration and head injuries.