Which of the following is NOT an immunoglobin class?

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.

The primary B-cell receptor is:

More than one choice may apply.

Which of these antibody classes is usually arranged as a pentamer?

a. IgG

b. IgM

c IgA

d. IgD

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

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

Binding of antigens to receptors of immunocompetent lymphocytes leads to clonal selection. Describe the process of clonal selection. What nonlymphocyte cell is a central actor in this process, and what is its function?

Define antibody. Using an appropriately labeled diagram, describe the structure of an antibody monomer. Indicate and label variable and constant regions, heavy and light chains.

Match the following antibodies with the correct definition.

____IgD     

____IgM     

____IgG     

____IgA     

____IgE

a. Antibody found in secretions

b. Most common antibody; crosses the placenta

c. Antibody involved in allergies and parasitic infections

d. Pentamer and potent agglutinating agent

e. Antibody bound to the B cell plasma membrane

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

d. Vaccinations are given to induce the production of the inflammatory response.