Although designed to attack foreign invaders, immune system dysfunction can result in undesirable consequences such as ________. (Select all that apply)

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Quizplus · Accepted Answer

Transplant rejection, allergic reactions, and autoimmune disorders like multiple sclerosis are all undesirable consequences of immune system dysfunction. Transplant rejection occurs when the immune system attacks a transplanted organ or tissue. Allergic reactions are exaggerated responses of the immune system to substances that are generally harmless. Autoimmune disorders, such as multiple sclerosis, happen when the immune system mistakenly attacks the body's own tissues. Artificial active immunity, however, is a beneficial outcome of the immune system being deliberately exposed to a form of the antigen that doesn't cause disease, to build immunity against the actual pathogen, and is not a consequence of immune system dysfunction.

Although Designed to Attack Foreign Invaders, Immune System Dysfunction Can