Match the following antibody classes with their description:
a)   IgA.      b)  IgG.         c)  IgE.         d)  IgM.      e)  IgD.


___ First antibody produced during primary response.
___ Protects mucous membranes.
___ Most abundant antibody.
___ Found on the surface of B cells.
___ Triggers allergic reactions to allergens.

Terrence has severe asthma and allergies, and is placed on a medication that blocks the functioning of IgE. How would this medication alleviate his symptoms?

The primary B-cell receptor is:

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

a. The cells involved in organ and transplant rejection are primarily B cells.

Which of the following is NOT an immunoglobin class?