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
In genetic deficiency of MPO the increased susceptibility to infection is due to - 
Select and explain. 
A. Defective production of Prostaglandins, B. Defective rolling of neutrophils, C. Inability to produce hydroxyl-halide radicals, D. Inability to produce hydrogen peroxide
C: Inability to produce hydroxyl-halide radicals
Answer: C: Inability to produce hydroxyl-halide radicals 
Explanation: Myeloperoxidase is an enzyme in Macrophages for production of hypochlorous radical from H2O2, which kills bacteria. Basic Pathology, Robbins. Page no.: 38