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Immunodeficiencies may be genetic in origin. Two examples of these are Bruton's agammaglobulinemia, an X-linked disorder, and DiGeorge syndrome, caused by a deletion from chromosome 22. Bruton's results in underdeveloped B cells, while DiGeorge syndrome results in a missing or seriously underdeveloped thymus.
-In the human disease known as lupus, there is an immune reaction against a patient's own DNA from broken or dying cells. This kind of response typifies which kind of irregularity?
A)allergy
B)immunodeficiency
C)autoimmune disease
D)antigenic variation
E)cancer

Question

Quizplus · Accepted Answer

An autoimmune disease is when the immune system mistakenly attacks the body's own tissues and cells. In lupus, this manifests as an immune reaction against the patient's own DNA.

Use the Information Below as Background for the Following Questions