An allergen is any antigen that triggers IgE production and leads to a scenario where the immune system fights off a perceived threat that would otherwise be harmless.

Question

Quizplus · Accepted Answer

Allergens are indeed antigens that cause an immune response, specifically triggering the production of Immunoglobulin E (IgE) antibodies, leading to allergic reactions to substances that are harmless to most people.

An Allergen Is Any Antigen That Triggers IgE Production and Leads