Which of the following assays would be the most appropriate for assessing the prognosis of rheumatoid arthritis, i.e., predicting the progression to severe, erosive (deforming) arthritis:

Boys with congenital Bruton’s agammaglobulinemia present with recurrent pyogenic infections at the time when maternal antibodies in the boy’s serum begin to fall off significantly.  This occurs:

Which of the following serum tests is the best for screening for systemic lupus erythematosus, i.e., has the best sensitivity for screening?

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

In the context of Type I hypersensitivity (Immediate type hypersensitivity), the antigens which play a role in initiating the hypersensitive reaction are also known as:

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: