TEST 3 IMMUNOLOGY
IL-1, IL-6, IL-18, IFN-A, IFN-B, AND TNF-A
IL-2, IL-4, IL-5, IL-13, IFN-G, TNF-B, AND TGF-B
ONLY IL-1, IL-6, IL-12, AND TNF-A
ONLY IFN-G, AND IL-10
NK CELLS
MACROPHAGES
ENDOTHELIAL CELLS, EPITHELIAL CELLS, AND FIBROBLASTS
TH1 AND TH2 CELLS
E SERIES PROSTAGLANDINS
TGF-B
IL-4 AND IL-10
CC-CC
CXC
CXCX
CXXC
2
4
3
0 SUBFAMILIES
IL-1, IL-6, IL-12 AND TNF-A ONLY
IL-2, IL-4, IL-5, IL-13, IFN-G, TNF-B, AND TGF-B
ONLY IFN-G AND IL-2
IL-1, IL-6, IL-12, IL-18, IFN-A, IFN-B, AND TNF-A
IL-10
IFN-G AND SOMETIMES IL-2
TNF-A
IL-4
IL-2
IL-10
FALSE
TRUE
MACROPHAGE
DENDRITIC CELLS
B CELLS
~ 1O^18
~ 10^13
~ 10^14
~ 10^15
ARREST OF CELL-CYCLE AND TERMINATION OF T-CELL ACTIVATION
ENABLES T CELL TO BE RECOGIZED BY BOTH CELL-CLL CONTACT AND CYTOKINES
PROMOTES B-CELL PROLIFERATION AND DIFFERENTIATION, PREVENTS APOPTOSIS OF GERMINAL CENTER B CELLS AND PROMOTES ANTIBODY CLASS SWITCHING
CD28-B7
CD2-CD58
CD40-CD40L
HOLD PROCESSED ANTIGEN ON SURFACE IN THE FORM OF SHORT-LIVED IMMUNE COMPLEXES
HOLD UNPROCESSED, INTACT, ANTIGEN ON THEIR SURFACE INT HE FORM OF SHORT LIVED IMMUNE COMPLEXES
HOLD INTACT, UNPROCESSED LONG LIVED IMMUNE COMPLEXES ON THEIR SURFACE
HOLD PROCESSED, INTACT LONG LIVED ANTIGEN IN THE FORM OF LONG LIVED IMMUNE COMPLEXES ON THEIR SURFACE
4 REGIONS
2 REGIONS
3 REGIONS
5 REGIONS
True
False
REGION 1 OF THE THYMUS
REGION 2 OF THE THYMUS
REGION 3 OF THE THYMUS
REGION 4 THE THYMUS
UNCOMMITTED PROGENITORS; CD44+CD25-CD4-CD8-
CLONAL EXPANSION
LOSE POTENTIAL TO BECOME B CELLS OR NK CELLS
CELLS COMMIT TO T CELL LINEAGE AND TCR B-CHAIN REARRANGEMENT OCCURS
IN REGION 1 OF THE THYMUS
IN REGION 2 OF THE THYMUS
IN REGION 3 OF THE THYMUS
IN REGION 4 OF THE THYMUS
STAGE 1
STAGE 2
STAGE 3
STAGE 4
CELLS COMMIT TO T CELL LINEAGE
TCR B-CHAIN REARRANGEMENT OCCURS
T CELL LINEAGES ALPHA/BETA OR GAMMA/DELTA DIVERGE
CD44-CD25+CD4-CD8-
ALL OF THE ABOVE
IN THE MEDULLA
IN THE SUBCAPSULAR EPITHELIUM
IN THE CORTEX
IN THE CORTICO-MEDULLARY JUNTION
IN THE CORTEX
IN THE SUBCAPSULAR EPITHELIUM
IN THE MEDULLA
IN THE CORTICO-MEDULLARY JUNCTION
THYMIC EPITHELIAL CELLS
THYMIC DENDRITIC CELLS
THYMIC MACROPHAGES
CD3+TCR+ T CELLS
A, B, AND C