Cell-Mediated Immunity
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| Answer |
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| What is the definition of Cell-Mediated Immunity? |
T-cell attack against INTRAcellular Microbes |
| What is the 1st step in Cell-mediated Immunity? |
PHAGOCYTOSIS of Microbial Antigens by an Antigen Presenting Cell for presentation to specific T-cell Clones |
| What are the Antigen Presenting Cells? |
Macrophages, B-cell |
| What is the 2nd step in Cell-mediated Immunity? |
processed Antigen ACTIVATES Cytotoxic T-cells and Helper T-cells |
| What is the function of Cytotoxic T-cells? |
chemically destroy Virus-infected Host Cells bearing Foreign Antigens |
| How do Helper T-cells react during Cell-Mediated Immunity? |
secrete Interleukin 2, Interleukin 6, and Chemotaxins |
| What is the function of Interleukin 1? |
Involved in the Fever Response, NOT Cell-Mediated Immunity |
| What is the function of Interleukin 2? |
T-cell & NK-cell GROWTH factor |
| What is the function of Interleukin 6? |
B-cell GROWTH factor |
| What is the function of Chemotaxins? |
attracts Macrophages to area of Infection |
| What are the function of Helper T-cells? |
Support Chemical and Cell-Mediated Immunity |
| Why are Antigens harmful? |
Antigen are NOT harmful, the Cell that they are attached to are |
| Which cells are targeted by HIV? |
Helper T-cells |
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