Match the letters (A to H) shown in the figure above to the IgG antibody part names.

A systemic, sometimes fatal, immune reaction with airway obstruction and circulatory collapse is 

What structures are found along lymphatic vessels and are heavily clustered in the armpit, groin, and neck? 

Superantigens are 

Match the letters (A to H) shown in the figure above to the IgG antibody part names.

Which process involves antibodies cross-linking cells or particles into large aggregates? 

Which is INCORRECT about the Fc region of an antibody (or immunoglobulin)?

The property of a test to detect even small amounts of antibodies or antigens that are test targets is _________ , while the property of a test to detect only a certain antibody or antigen and not to react with any others is __________ .

In multiple sclerosis (or “MS”), autoantibodies attack 

You place an inoculum of a bacterium on a glass slide and add a drop of hydrogen peroxide reagent.  Promptly you see bubbles appear, indicating the presence of a particular enzyme (catalase) that the bacterium produces.  What type of identification test is this an example of?