Which of the Following is the Predominant Antibody in a Secondary

Question

Which of the following is the predominant antibody in a secondary immune response?
A) IgA
B) IgD
C) IgE
D) IgG
E) IgM

Accepted Answer

IgG is the predominant antibody in a secondary immune response. It is more abundant than IgM, which is typically the first antibody produced in a primary response. IgG antibodies are highly specific to the antigen and provide long-lasting immunity.