A Vigorous Immune Response to a Normally Harmless Substance Is

Question

A vigorous immune response to a normally harmless substance is called an___________.  
A) allergy
B) allergen
C) autoimmune response
D) inflammation
E) antibody-mediated immune response

Accepted Answer

An allergic reaction is a vigorous immune response to a normally harmless substance, such as pollen, food, or pet dander. It can cause a range of symptoms, from mild sneezing and itching to life-threatening anaphylaxis.