Use the information below as background for the following questions.
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.
-What aspect of the immune response would a patient who has a parasitic worm infection and another patient responding to an allergen such as ragweed pollen have in common?
A)Both patients would have an increase in cytotoxic T cell number.
B)Both patients would suffer from anaphylactic shock.
C)Both patients would risk development of an autoimmune disease.
D)Both patients would be suffering from a decreased level of innate immunity.
E)Both patients would have increased levels of IgE.

Question

Quizplus · Accepted Answer

Both patients would have an increased level of IgE. A parasitic worm infection and an allergen such as ragweed pollen are both examples of situations in which the immune system mounts a response mediated by IgE antibodies.

Use the Information Below as Background for the Following Questions