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: Pathology
Which could be a finding in reversible cell injury ? 
Select and explain. 
A. Pyknosis, B. Karyorrhexis, C. Karyolysis, D. Mitochondrial densities
D: Mitochondrial densities
Answer: D: Mitochondrial densities 
Explanation: Though formation of large, flocculent mitochondrial densities is a feature of irreversible cell injury. Small amorphous mitochondrial densities begin to appear in reversible cell injury. 
Option a,b,c are definitely features of irreversible cell injury