Match each antibody class with its description, function, or location.
-The predominant class of antibody produced after initial contact with an antigen
A)IgG
B)IgM
C)IgD
D)IgE
E)IgA

Question

Quizplus · Accepted Answer

IgM is the first class of antibody produced after initial exposure to an antigen, making it the predominant class in the early stages of an immune response.

Answer: A 
 IgG is the most abundant class of antibody in the blood and is essential for immunity against pathogens that have infected the body at least once.

Answer: C 
 IgD is found mainly on the surface of B cells and is involved in the regulation of the immune system.

Answer: D 
 IgE is involved in allergic responses and helps defend against parasites by promoting the release of histamine from mast cells.

Answer: E 
 IgA is found mainly in saliva, tears, breast milk, and in the mucus membranes of the respiratory, gastrointestinal, and genitourinary tracts. It helps protect against pathogens that enter the body through these routes.

Match Each Antibody Class with Its Description, Function, or Location