VIRUSES lesson 9: The Body Fights Back Quiz

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  1. Which organelle digests things?1

  2. Skin is a good barrier against viruses because the outer layer is made of dead cells.1

  3. Some of your cells were built with atoms and molecules that used to be part of viruses.1

  4. All the viral sensors are designed to stimulate production of interferon (IFN).1

  5. Why do the phagocytes (roaming eaters) have MHC-2 clips on their surface?1

  6. The Y-shaped antibodies that B cells make will stick to any virus.1

  7. Which of these cells will eat anything that is covered in Y-shaped antibodies?1

  8. Which of these cells has a perforin gun?1

  9. Which of these is NOT a sensor molecule?1

  10. What are granzymes?1

  11. How does RIG-1 work?1

  12. Interferon causes many anti-viral proteins to be made, and we know exactly what each one does.1

  13. Which cell can feel the absence of MHC-1 flags?1

  14. Killer T cells must get permission from T helper cells before killing a body cell.1

  15. This lesson showed all the cell types in the immune system.1

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