This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'Which of the following is seen in cryoglobulinemia \nSelect and explain. \nA. IgG, B. IgM, C. IgA, D. IgE', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Abnormal Ig Bence Jones proteins Light chain of Ig ( Kappa or Lambda )WaldenstormmacroglobulinemiaIg M Heavy chain disease Fc pa of heavy chain CryoglobulinemiaPrecipitate at low temperature (Ref: Ananthanarayan 9th edition, 96-98)', 'role': 'assistant'}]