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': 'Which of the following helps in generating reactive O2 intermediates in the neutrophils? \nSelect and explain. \nA. NADPH oxidase, B. SOD (superoxide dismutase), C. Catalase, D. Glutathione peroxidase', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Within the phagocytes, the following reaction takes place:\n\nThe initiating enzyme for this process is NADPH oxidase (also called respiratory burst oxidase).\nGlutathione peroxidase, glutathione reductase and superoxide dismutase are examples of anti-oxidants. They reduce free\xa0radical formation.', 'role': 'assistant'}]