Immunology Midterm review

2. Name of a cytokine that can kill tumor cells
3. What is a bacterium that has been engulfed into a pouch by a macrophage called?
5. Cells that contain granules that have killing compenents
7. First step in helper T cell activation to recognize what?
9. A molecule that clips C3 molecules into C3b
10. What class of cell is a neutrophil
11. External and noninfectious elements
12. Type of cell that prevents the immune system from overreacting
18. Molecules that participate in creating membrane attack complexes
19. A system composed of 20 proteins that work together to kill invaders
21. When a B cell is triggered to double in size and divide into daughter cells
22. Sectiton of an immunoglobulin G (IgG), also known as Fab

1. Created by Neutrophils
4. Leftover B and T cells from past infections are part of the adaptive immune system
6. How does the immune system recognize that there is an invasion?
8. Chemicals that recruit other immune system parts to participate in the battle site
13. The strategic activation pathway
14. The immune system you are born with
15. Another name for Killer T cells
16. A blood test that profiles red blood cells
17. The most well-known secondary lymphoid organ
20. Macrophages, dendritic cells, & neutrophils are a part of what class of cells