This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Irreversible cell Injury/Necrosis, Subject name: Pathology
All of the organs are affected by coagulative necrosis except: 
Select and explain. 
A. Hea, B. Kidney, C. Lung, D. Brain
D: Brain
Answer: D: Brain 
Explanation: Ischemia caused by obstruction in a vessel may lead to coagulative necrosis of the supplied tissue in all organs except the brain.