VIRUSES lesson 9: The Body Fights Back Quizellenj2022-09-06T11:53:53-04:00 Please sign up for the course before taking this quiz. 1. Killer T cells must get permission from T helper cells before killing a body cell.1 True False 2. Some of your cells were built with atoms and molecules that used to be part of viruses.1 True False 3. Which of these cells will eat anything that is covered in Y-shaped antibodies?1 NK cell macrophage T cell B cell 4. Which of these is NOT a sensor molecule?1 RIG-1 TLR-3 MDA-5 MHC-1 5. Which organelle digests things?1 ER mitochondria Golgi body lysosome 6. What are granzymes?1 Enzymes that digest all the proteins in the host cell. Granular proteins that self-assemble to make a hole. Chemical toxins that tell the cell to shred its DNA. 7. This lesson showed all the cell types in the immune system.1 True False 8. How does RIG-1 work?1 It kills viruses when triggered. Its shape straightens out when it is trigger. It goes into the nucleus when triggered. It bends in half when triggered. 9. Interferon causes many anti-viral proteins to be made, and we know exactly what each one does.1 True False 10. Skin is a good barrier against viruses because the outer layer is made of dead cells.1 True False 11. All the viral sensors are designed to stimulate production of interferon (IFN).1 True False 12. Which cell can feel the absence of MHC-1 flags?1 B cell killer T cell NK macrophage 13. Which of these cells has a perforin gun?1 macrophage NK B cell dendritic cell T helper 14. Why do the phagocytes (roaming eaters) have MHC-2 clips on their surface?1 Only for identification as "self." For communication with other phagocytes. For showing bits of protein to T helper cells. For sensing viral dsRNA. 15. The Y-shaped antibodies that B cells make will stick to any virus.1 True False VIRUSES lesson 8: Viruses Inside Cells VIRUSES lesson 10: Vaccines and anti-virals Back to: VIRUSES lesson 9: The Body Fights Back
