Day 1 Flashcards
Class I MHC
Recognition of endogenous antigens
Class II MHC
Recognition of exogenous antigens
Class II MHC
involved in Complement system
B cells form?
Plasma cells that secrete immunoglobulin
CD8 = which MHC class?
Class 1
CD8 is which type of T cell?
Cytotoxic
CD4 cell = which MHC class?
Class II
CD4 is which type of T cell?
Helper T cell
Anergy
State of immunologic tolerance to Ag
ESR
Erythrocyte Sedimentation Rate
Increase w/ age and in women
Elevated in obesity
Which 2 conditions is ESR useful for?
Polymyalgia rheumatica (>40) Giant Cell Arteritis (>90)
CRP
C-reactive protein
Acute phase protein made by liver.
DIrect measure of reactants
RF
Rheumatoid Factor
80% sensitivity in RA pts
RF has lots of false?
Positives
Patient must have high pre-test probability for best diagnostic value
Anti-CCP
Citrulline Antibody
Associated w/ RA
Greater specificity