Which of the following is the predominant antibody in a secondary immune response?

A) IgA
B) IgD
C) IgE
D) IgG
E) IgM

IgG

Immunoglobulin G, the most common type of antibody found in blood circulation, playing a crucial role in the body's immune response against bacterial and viral infections.

IgA

Immunoglobulin A, a type of antibody that plays a crucial role in the immune function of mucous membranes.

IgE

Immunoglobulin E, a type of antibody that plays a crucial role in the body's immune response to allergens, initiating allergic reactions.