Dendritic Cells and Antigen Presentation Quiz

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Questions and Answers

Why are dendritic cells named so?

  • Being lymphoid in cell lineage
  • Due to their involvement in phagocytosis
  • Secreting inflammatory cytokines
  • Presence of long cytoplasmic projections or dendrites (correct)

What is the main function of dendritic cells in the immune system?

  • Secreting protective response against viruses
  • Phagocytosis of pathogens
  • Producing inflammatory cytokines
  • Activating T-cells by presenting antigens (correct)

What is cytotoxicity in the context of the immune system?

  • The ability to cause death of a target cell (correct)
  • The process of presenting antigens to T-cells
  • The production of protective response against viral infections
  • The ability to secrete inflammatory cytokines

Which cells exhibit cytotoxicity against virally infected cells and tumor cells?

<p>Tc Cells and NK Cells (D)</p> Signup and view all the answers

What leads to the migration of dendritic cells to secondary lymphoid tissues?

<p>Activation through specific inflammatory cytokines (A)</p> Signup and view all the answers

What is the difference between NK Cells and Tc Cells?

<p>Mode of activation against target cells (A)</p> Signup and view all the answers

What is the main function of dendritic cells in the immune system?

<p>Presentation of antigens to T-cells (A)</p> Signup and view all the answers

Which cells exhibit cytotoxicity against virally infected cells, tumor cells, and our cells infected by pathogenic microorganisms?

<p>Natural Killer (NK) Cells (D)</p> Signup and view all the answers

What leads to the migration of dendritic cells to secondary lymphoid tissues?

<p>Activation through specific inflammatory cytokines (C)</p> Signup and view all the answers

What is cytotoxicity in the context of the immune system?

<p>Ability to damage or cause death of a target cell (D)</p> Signup and view all the answers

What is the difference between NK Cells and Tc Cells?

<p>Mode of activation against target cells (C)</p> Signup and view all the answers

What can activate dendritic cells to migrate to secondary lymphoid tissues?

<p>Inflammatory cytokines secreted by macrophages (D)</p> Signup and view all the answers

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