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 group represents negative acute phase proteins \nSelect and explain. \nA. Transferrin, albumin, transthyretin, B. Haptoglobulin, CRP, albumin, C. Haptoglobulin, ceruloplasmin, fibrinogen, D. CRP, a-1 antitrypsin, fibrinogen', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer- A. Transferrin, albumin, transthyretinAcute phase reaction (acute phase response)-1. Positive acute phase proteinsImpoant examples are C-reactive protein : CRP (Beta 1- globulin), alpha-l antitrypsin,fbrinogen, feftitin, serum amyloid A, hepatoglobulin, ceruloplasmin, and alpha-2 microglobulin.2) Negative acute phase proteinsImpoant examples are albumin, prealbumin, transferrin, transcoin, transthyretin and retinal binding protein.', 'role': 'assistant'}]