Hypersensitivity Flashcards
is defined as an EXAGGERATED RESPONSE to a typically harmless antigen that results in injury to the tissue, disease, or even death.
HYPERSENSITIVITY
inherited tendency to develop classic allergic responses to naturally occurring inhaled or ingested allergens
Atopy
Anaphylactic hypersensitivity
Type I Hypersensitivity
Type II Hypersensitivity
Antibody-mediated Cytotoxic Hypersensitivity
Complex-mediated Hypersensitivity
Type III Hypersensitivity
Type IV Hypersensitivity
Delayed/Cell-mediated Hypersensitivity
short time lag, usually minutes, between exposure to allergen and the onset of clinical symptoms.
ANAPHYLACTIC HYPERSENSITIVITY
Immune Mediator: IgE
Effector Cell: Mast Cells* and Basophils
Chemical Mediator: Histamine*
Type I Hypersensitivity
Triggers: Allergens
Peanuts, Eggs, and Pollen
Type I Hypersensitivity