Which of the following is the best definition of autoimmune disease?
A) a condition in which B and T cells trigger anaphylactic shock in response to an antigen
B) a condition in which the adaptive immune system fails to recognize the second infection by the same antigen
C) a condition in which self molecules are treated as nonself (loss of self-tolerance)
D) a condition in which the immune system creates random antibodies without being triggered by a specific antigen

Question

Quizplus · Accepted Answer

Autoimmune diseases occur when the immune system mistakenly attacks the body's own cells, tissues, and organs, treating them as foreign invaders. This is due to a loss of self-tolerance, where the immune system fails to recognize the body's own molecules as self and instead treats them as nonself.

Which of the Following Is the Best Definition of Autoimmune