The B-cell co-receptor is composed of all of the following except:

In a helminth parasitic infection, which cytokine/s will lead to B-cells isotype switching to make IgE?

The B-cell co-receptor can bind to what/which complement degradation product/s?

Which of the following is the disease state associated with a lack of the CD40 ligand?

What is the C5 convertase of the classical pathway of complement?

Which of the following helps IgG move across cellular barriers?

The Fc portion of IgE is bound by ______ which is found on _________.

Naive B and T cells that were activated to function against a pathogenic infection in the urogenital tract (MALT) can enter and function in which areas?

In a helminth parasitic infection, you would prefer a TH2 response because a TH1 response would lead to secretion of the cytokine ______, causing more harm than good to the host.

Mast cells, basophils and activated eosinophils bind the Fc portion of _____ antibody using the ______ receptor.