What best describes an inappropriate immune response to normal body tissues?

A) allergy
B) immunodeficiency
C) anaphylactic shock
D) autoimmune disease
E) septic shock

An inappropriate immune response to normal body tissues describes an autoimmune disease, in which the immune system mistakenly attacks and damages its own tissues. Allergies are inappropriate responses to foreign substances, immunodeficiency is a weakened immune response, anaphylactic shock is a severe allergic reaction, and septic shock is a life-threatening condition caused by a systemic bacterial infection.