<prompt> Most effective bactericidal system within phagocytes is:Lysozyme mediatedLactoferrin mediatedReactive oxygen metabolite mediatedCationic basic protein mediated  <response>: 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 