This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Basic Concepts and Vascular changes of Acute Inflammation, Subject name: Pathology
[{'content': 'The following host tissue responses can be seen in acute infection, except:- \nSelect and explain. \nA. Exudation, B. Vasodilation, C. Margination, D. Granuloma formation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Granuloma formation is characteristic of chronic granulomatous inflammation and is not seen in acute inflammation.', 'role': 'assistant'}]