A child eats some peanuts and within minutes, develops urticaria (hives) involving their lips and becomes short of breath.  This reaction is mediated by:

What are the two most important risk factors for type 2 diabetes?

Common variable immunodeficiency is often diagnosed in adulthood.  It is characterized by:

After taking notes in a meeting, the paralegal should transcribe those notes more thoroughly later that day. 

Mast cells have Fc receptors for:

In a kinetic nephelometric assay in which the slope of the increase in light scatter between an initial and a subsequent timepoint is used to determine the concentration of the antigen to be measured, it is important to ensure that increasing antigen concentration is always associated with increasing light scatter (increasing precipitation).  This condition applies throughout which zone(s) of the antigen-antibody precipitation curve:

The direct detection of complement in a tissue section is typically accomplished by:

What are the three reasons why an interpreter needs a team interpreter? 

The finding in the bone marrow that is expected in patients with a diagnosis of multiple myeloma is:

Of the causes of Hyper-IgM syndrome, an isotype-switching abnormality, one known defect involves: