試題詳解

20. Which of the following is the best definition of autoimmune disease?

(A) a condition in which B cells and T cells respond independently to antigens and do not interact correctly

(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

(D) a condition in which the immune system creates random antibodies without being triggered by an antigen