This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mechanisms of Cell Injury, Subject name: Pathology
[{'content': 'Irreversible cell injury - \nSelect and explain. \nA. Mitochondrial densities, B. Cellular swelling, C. Blebs, D. None', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Mitochondrial densities Formation of amorphous densities in the mitochondrial matrix is a feature of irreversible injury.Mechanism of reversible injury Note:o Earliest change of reversible cell injury is cellular swelling.o Myelin figures (laminated structure) derived from damaged membrane of organelles and plasma membrane, first appear during reversible injury, but become more pronounced in irreversible injury.", 'role': 'assistant'}]