Natural Killer Cells Quiz

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Questions and Answers

Which cells produce highly reactive oxygen species during an oxidative burst?

  • Neutrophils (correct)
  • Basophils
  • Eosinophils
  • Mast cells

Which cells are involved in allergic reactions such as hay fever?

  • Mast cells
  • Neutrophils
  • Eosinophils (correct)
  • Basophils

Which cells are phagocytic and involved in antigen presentation?

  • Basophils
  • Neutrophils
  • Dendritic cells (correct)
  • Eosinophils

Which cells are part of the innate immune system?

<p>Natural killer cells (A)</p> Signup and view all the answers

Which branch of the immune system is responsible for causing fevers?

<p>The innate immune response (A)</p> Signup and view all the answers

What is the main advantage of the adaptive immune response?

<p>It can recognize almost an infinite number of specific antigens (B)</p> Signup and view all the answers

Which type of white blood cell is responsible for phagocytosis?

<p>Neutrophils (A)</p> Signup and view all the answers

Where does hematopoiesis primarily take place?

<p>Bone marrow (C)</p> Signup and view all the answers

Which cells release cytotoxic granules to kill target cells infected with intracellular organisms or cancer cells?

<p>Natural killer cells (A)</p> Signup and view all the answers

Which cells can bind directly to an antigen without the need for presentation on an MHC molecule?

<p>B cells (A)</p> Signup and view all the answers

Which cells help coordinate the efforts of macrophages and B cells by secreting cytokines?

<p>Helper T cells (A)</p> Signup and view all the answers

Which cells kill target cells that present a specific antigen on an MHC-1 molecule?

<p>Macrophages (A)</p> Signup and view all the answers

Which type of immune response is immediate but non-specific and lacks memory?

<p>Innate immune response (A)</p> Signup and view all the answers

What happens if a pathogen is a virus living and replicating in the cytoplasm of infected cells?

<p>CD8 positive T cells will kill infected cells (C)</p> Signup and view all the answers

What happens to most B and T cells as the invading pathogen dies off?

<p>They turn into memory B and T cells (D)</p> Signup and view all the answers

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