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': 'Most effective bactericidal system within phagocytes is: \nSelect and explain. \nA. Lysozyme mediated, B. Lactoferrin mediated, C. Reactive oxygen metabolite mediated, D. Cationic basic protein mediated', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The bactericidal action of phagocytes is based on NADPH oxidase induced respiratory burst producing superoxide. Ref: Cherie H. Dunphy, (2010), Chapter 38, "White Blood Cell and Immunodeficiency Disorders", In the book, "Molecular Pathology of Hematolymphoid Diseases", New york, Page 505', 'role': 'assistant'}]