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': 'Immunoglobulin inactive by heating and elevated in helminthic infections: \nSelect and explain. \nA. IgA, B. IgG, C. IgE, D. IgM', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., IgE(Ref: Harrison, 18th/e, p. 2674)* It is only Ig which is heat labile (inactivated at 56degC for one hour), daily production is minimum and has shortest half-life.", 'role': 'assistant'}]