A patient enters your clinic with a suspected helminthic (parasitic worm) infection.  In support of this diagnosis, you suspect elevated levels (titer) of which antibody in the patient’s serum?

Which of the following is a current theory toward explaining the origin of autoimmune diseases? 

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? 

Mycobacterium tuberculosis has chemicals in its cell wall that inhibit the fusion of phagocytic vacuoles with lysosomes.  Which statement is then most likely to be true?  

Human red blood cell types involve all of the following EXCEPT:

All of the following are autoimmune diseases except 

Which of the following is the term for a special binding substance (often “alum” aluminum salts) that enhances immunogenicity and prolongs antigen retention at the injection site, helping make a stronger immune reaction? 


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