The first type of antibody that is found in serum after antigen is detected is
A) IgM.
B) IgB.
C) IgG.
D) IgD.
E) IgE.

Name: The first type of antibody that is found in serum after antigen is detected is A) IgM. B) IgB. C) IgG. D) IgD. E) IgE.
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Quizplus · Accepted Answer

IgM is the first type of antibody produced in response to an initial exposure to an antigen. It plays a crucial role in the primary immune response before other antibodies, such as IgG, are produced in larger amounts.

The First Type of Antibody That Is Found in Serum