C1 Inhibitor (C1INH) binds to and inactivates either C1r/C1s of the classical pathway or MASP-2 of the MBL pathway, resulting in which of the following: 

Match the following characteristics with the cytokine it describes. 

In non-competitive immunassays the amount of label detected is ________ proportional to the amount of patient antigen present.

The agglutination technique in which the antigen is naturally found on a particle/cell is known as:

The basic structure of an antibody is a tetrapeptide structure. The tetrapeptide structure consists of:

Which of the following white blood cells plays a key role in the innate immune system, is typically one of the first responders to infection, and has primary and secondary granules in its cytoplasm: 

Which of the following white blood cells are professional antigen presenting cells (APC)? (select all that apply)

Which of the following is an example of how we naturally acquire immunity?

White Blood Cells stem from Hematopoietic Stem Cells, which are produced by which organ: 

Classify the following characteristics as either describing MHC I or MHC II proteins.