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
Feature of shock lung is- 
Select and explain. 
A. Diffuse alveolar damage, B. Diffuse alveolar damage, C. Organizing pneumonia, D. Bronchilolitis
A: Diffuse alveolar damage
Answer: A: Diffuse alveolar damage 
Explanation: Answer is A (Diffuse Alveolar Damage): 'Shock lung' is a synonym used jar Acute Respiratory Distress Syndrome. Diffuse alveolar damage is a characteristic feature of ARDS/Shock lung and is also often used as a synonym for ARDS.