This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'In genetic deficiency of MPO the increased susceptibility to infection is due to - \nSelect and explain. \nA. Defective production of Prostaglandins, B. Defective rolling of neutrophils, C. Inability to produce hydroxyl-halide radicals, D. Inability to produce hydrogen peroxide', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Myeloperoxidase is an enzyme in Macrophages for production of hypochlorous radical from H2O2, which kills bacteria. Basic Pathology, Robbins. Page no.: 38', 'role': 'assistant'}]