In a(n) ________, either the immune system fails to develop normally or the immune response is blocked.
A) autoimmune disease
B) immunodeficiency disease
C) allergic response
D) cross-reaction
E) agglutination reaction

Question

Quizplus · Accepted Answer

Immunodeficiency disease is the only choice that refers to a failure or blockage in the immune system. Autoimmune disease refers to the immune system attacking the body's own cells and tissues, allergic response refers to an overreaction of the immune system to a foreign substance, cross-reaction refers to the immune response to a similar antigen, and agglutination reaction refers to the clumping of cells in response to the presence of an antibody.

In A(n) ________, Either the Immune System Fails to Develop