This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Biochemistry
[{'content': "Assay for lipid peroxidation is: \nSelect and explain. \nA. MTT Assay, B. FOX assay, C. Ame's test, D. Guthrie's test", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Free radical measurement can be done by : FOX assay - (Ferrous oxidation in Xylenol) Estimation of Dialdehydes (e.g. MDA- Malon dialdehyde) Pentane and methane measurement in exhaled air', 'role': 'assistant'}]