Primary immunodeficiency diseases may be the result of
A) development of food allergies.
B) genetic defects of immune system development.
C) infection with HIV.
D) exposure to environmental toxins.
E) treatment with immunosuppressive drugs.

Question

Quizplus · Accepted Answer

Primary immunodeficiency diseases are typically caused by genetic defects in the development or function of the immune system.

Primary Immunodeficiency Diseases May Be the Result of