This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inflammation & Repair, Subject name: Pathology
[{'content': 'Commonest variety of acute inflammation is \nSelect and explain. \nA. Purulent inflammation, B. Serous inflammation, C. Catarrhal inflammation, D. Necrotic inflammation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Catarrhal inflammation(Ref: Chandrasoma taylor: 3ed: 45)Catarrhal inflammationCommonest type of inflammation QIncreased mucus secretionSeen in common cold', 'role': 'assistant'}]