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
ARDS is associated with 
Select and explain. 
A. Acute pancreatitis, B. Trauma, C. Severe falciparum malaria, D. All the above
D: All the above
Answer: D: All the above 
Explanation: ARDS, most cases (>80%) are caused by a relatively small number of clinical disorders: severe sepsis syndrome and/or bacterial pneumonia (~40-50%), trauma, multiple transfusions, aspiration of gastric contents, and drug overdose. Among patients with trauma, the most frequently repoed surgical conditions in ARDS are pulmonary contusion, multiple bone fractures, and chest wall trauma/flail chest, whereas head trauma, near-drowning, toxic inhalation, and burns are rare causes. Ref Davidson edition23rd pg 198 ,170