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': "Lipid in tissue detected by aEUR' \nSelect and explain. \nA. Oil Red 0, B. Muciramine, C. PAS, D. Myeloperoxidase", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Oil red 0 Congo red is not used in lipid staining. It is used in the staining of amyloid protein. STANING FOR LIPIDS Non polar lipids Example Stain used * Unconjugated lipids Fatty acids III & IV Oil red 0, Sudan black Sudan Cholesterol Filipin * Esters Cholesteryl esters Schultz Monodi and Tri-glycerides Calcium lipase * Polar lipids Phospholipids Glycerol bases Phosphatidylcholine Nile blue sulfate Phosphatidylserine Nile blue sulfate Phosphatidylethanol amine Plasmal reaction Sphingosine-base Sphingomyelins Fenic hematoxylin Glycolipids Cerebrosides PAS Sulfatides Acetone/Toluidine blue Ganglisides PAS', 'role': 'assistant'}]