VIRUSES lesson 9: The Body Fights Back Quizellenjmchenry2020-05-22T12:10:57-04:00 Please sign up for the course before taking this quiz. The Y-shaped antibodies that B cells make will stick to any virus.1 True False Which of these cells has a perforin gun?1 dendritic cell macrophage B cell NK T helper Which of these is NOT a sensor molecule?1 MDA-5 RIG-1 TLR-3 MHC-1 This lesson showed all the cell types in the immune system.1 True False How does RIG-1 work?1 It bends in half when triggered. It goes into the nucleus when triggered. It kills viruses when triggered. Its shape straightens out when it is trigger. All the viral sensors are designed to stimulate production of interferon (IFN).1 True False Skin is a good barrier against viruses because the outer layer is made of dead cells.1 True False What are granzymes?1 Chemical toxins that tell the cell to shred its DNA. Granular proteins that self-assemble to make a hole. Enzymes that digest all the proteins in the host cell. Interferon causes many anti-viral proteins to be made, and we know exactly what each one does.1 True False Killer T cells must get permission from T helper cells before killing a body cell.1 True False Some of your cells were built with atoms and molecules that used to be part of viruses.1 True False Why do the phagocytes (roaming eaters) have MHC-2 clips on their surface?1 For sensing viral dsRNA. For showing bits of protein to T helper cells. Only for identification as "self." For communication with other phagocytes. Which cell can feel the absence of MHC-1 flags?1 macrophage B cell killer T cell NK Which of these cells will eat anything that is covered in Y-shaped antibodies?1 NK cell macrophage T cell B cell Which organelle digests things?1 ER lysosome Golgi body mitochondria VIRUSES lesson 8: Viruses Inside Cells VIRUSES lesson 10: Vaccines and anti-virals Back to: VIRUSES lesson 9: The Body Fights Back
Please sign up for the course before taking this quiz. The Y-shaped antibodies that B cells make will stick to any virus.1 True False Which of these cells has a perforin gun?1 dendritic cell macrophage B cell NK T helper Which of these is NOT a sensor molecule?1 MDA-5 RIG-1 TLR-3 MHC-1 This lesson showed all the cell types in the immune system.1 True False How does RIG-1 work?1 It bends in half when triggered. It goes into the nucleus when triggered. It kills viruses when triggered. Its shape straightens out when it is trigger. All the viral sensors are designed to stimulate production of interferon (IFN).1 True False Skin is a good barrier against viruses because the outer layer is made of dead cells.1 True False What are granzymes?1 Chemical toxins that tell the cell to shred its DNA. Granular proteins that self-assemble to make a hole. Enzymes that digest all the proteins in the host cell. Interferon causes many anti-viral proteins to be made, and we know exactly what each one does.1 True False Killer T cells must get permission from T helper cells before killing a body cell.1 True False Some of your cells were built with atoms and molecules that used to be part of viruses.1 True False Why do the phagocytes (roaming eaters) have MHC-2 clips on their surface?1 For sensing viral dsRNA. For showing bits of protein to T helper cells. Only for identification as "self." For communication with other phagocytes. Which cell can feel the absence of MHC-1 flags?1 macrophage B cell killer T cell NK Which of these cells will eat anything that is covered in Y-shaped antibodies?1 NK cell macrophage T cell B cell Which organelle digests things?1 ER lysosome Golgi body mitochondria
