VIRUSES lesson 9: The Body Fights Back Quiz

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

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

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  3. 3. What are granzymes?

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  4. 4. This lesson showed all the cell types in the immune system.

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  5. 5. How does RIG-1 work?

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

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

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

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

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  10. 10. Which organelle digests things?

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  11. 11. Which of these cells has a perforin gun?

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

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

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

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  15. 15. Which of these is NOT a sensor molecule?

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