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
[{'content': 'Earliest histological change in MI ? \nSelect and explain. \nA. Macrophage infiltration, B. Neutrophilic infiltration, C. Waviness of fibers, D. Coagulative necrosis', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Waviness", 'role': 'assistant'}]