Hypersensitivities and Immunopathologies Flashcards
(39 cards)
** Type I HS involves _________ antibodies
IgE
** Type II HS involves _________ antibodies (2)
IgM
IgG
** Type III HS involves _________ antibodies (2)
IgM
IgG
** Type IV HS involves _________ cells
T cells
Which type of HS is ANTIBODY mediated?
Type II
Which Type of HS is IMMEDIATE (allergic)?
Type I
Which type of HS is IMMUNE COMPLEX mediated?
Type III
Which type of HS is CELL mediated?
Type IV
** ALL forms of HS require _________
prior exposure to the antigen
HS can target SELF antigens OR FOREIGN antigens
T/F
True
** Type I HS is associated with _________
allergies
About _________ of the population suffers from type I HS
54%
In type I HS, Helper T cells are activated and differentiate to the _________ subtype
Th2
APC presents peptide to the allergen on _________ molecules in Type I HS
MHC II
In type I HS, IgE antibodies that are attached to _________ have a half life of several weeks
mast cells
_________ associated with ALLERGIES are located in the tissues and have receptors for the Fc region of IgE
mast cells
In allergies, _________ are brought into the tissue from the blood by signals sent by the MAST CELLS for RAPID release
basophils
In allergies, _________ are recruited from the BONE MARROW and have a DELAYED response
eosinophils
People who are _________ produce large quantities of IgE
atopic
People who are NON-Atopic produce mainly _________ antibodies
IgG
Type II HS does NOT involve _________ antibodies
IgE
involves IgG and IgM
Antibody dependent cell-mediated cytotoxicity (ADCC) is associated with _________ HS
Type II
ADCC cells (type II HS) are COMPLEMENT _________
independent
In type II HS, _________ and _________ antibodies are good at FIXING THE COMPLEMENT
IgM
IgG
(Me Good at fixing complement)