Module 7: Hypersensitivities Flashcards
1
Q
Hypersensitivity
A
disorders caused by an exaggerated or inappropriate immune response
2
Q
Type I
A
Immediate
IgE Ab and mediators
Allergic reactions
3
Q
Type II
A
Cytotoxic
Other Ab (not IgE) Cytotoxic damage to tissues
4
Q
Type III
A
Immune complex
SOLUBLE antigens form complexes with antibodies
Antigen-Ab complexes deposit in blood vessels and tissues leading to injury
5
Q
Type IV
A
Delayed
No Ab involved
T lymph activity results in tissue damage
6
Q
erythema
A
redness of skin due to congestion of the capillaries
7
Q
induration
A
hardening
8
Q
granuloma
A
tumor like mass or nodule formed due to chronic inflammation
