Immunology Theories and Discoveries Quiz
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Questions and Answers

Who discovered the process of immunity called phagocytosis and the cell responsible for it?

  • Robert Koch
  • Elie Metchnikoff (correct)
  • Louis Pasteur
  • Paul Ehrlich

What did Jenner use from a milkmaid to conduct his experiment related to smallpox resistance?

  • Cheese
  • Whey
  • Matter from the arm (correct)
  • Milk

Which scientist contributed to understanding humoral immunity by studying toxins and immune serum?

  • Louis Pasteur
  • Paul Ehrlich (correct)
  • Robert Koch
  • Elie Metchnikoff

What did Frank Macfarlane Burnet discover that was enormously significant in immunology?

<p>Acquired immunological tolerance (A)</p> Signup and view all the answers

Which term meaning 'cow' is associated with the process of using cowpox to provide resistance to smallpox?

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

What protection could be transferred passively to normal animals according to the Side chain theory?

<p>Protection against toxins (C)</p> Signup and view all the answers

What is immunity defined as?

<p>The body's ability to resist or eliminate potentially harmful foreign materials or abnormal cells (A)</p> Signup and view all the answers

What is the immune system composed of?

<p>A network of cells, tissues, and organs (B)</p> Signup and view all the answers

What is a pathogen?

<p>An organism causing disease to its host (C)</p> Signup and view all the answers

What does an antigen refer to?

<p>A substance that is capable of stimulating an immune response (A)</p> Signup and view all the answers

Who is credited as the first to introduce inoculation against smallpox into England?

<p>Lady Mary Wortley Montagu (A)</p> Signup and view all the answers

Who is known as the Father of Immunology?

<p>Edward Jenner (B)</p> Signup and view all the answers

From where do all cells of the immune system develop?

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

What happens when the immune system identifies a transplanted organ as foreign?

<p>The organ is destroyed by the immune system (B)</p> Signup and view all the answers

Which cells immediately differentiate into plasma cells upon encountering foreign agents?

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

What do plasma cells produce upon encountering foreign particles?

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

Where do B cells develop?

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

Which lineage begins with a lymphoid progenitor cell?

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

What is the main idea behind Burnet's clonal selection theory?

<p>Each antigen activates a specific lymphocyte to create clones for antibody production. (C)</p> Signup and view all the answers

What did George Snell discover that led to the major histocompatibility complex (MHC) concept?

<p>Genetic factors determining tissue transplant possibilities. (A)</p> Signup and view all the answers

What is the main focus of immunochemistry?

<p>Chemical components and properties of the immune system. (D)</p> Signup and view all the answers

What does serology primarily involve?

<p>Study of serum and other body fluids. (C)</p> Signup and view all the answers

What does immunogenetics study?

<p>Genetic basis of immune response. (B)</p> Signup and view all the answers

What is the significance of tumor immunology?

<p>Understanding mechanisms of tumor rejection and progression. (D)</p> Signup and view all the answers

Where do B-cells originate and develop?

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

Which cells differentiate into helper, cytotoxic, and regulatory cells?

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

What initiates the differentiation of B-cells into plasma cells?

<p>Cytokines released by helper T-cells (C)</p> Signup and view all the answers

Which T-cell subset is responsible for cell-mediated immunity?

<p>Cytotoxic T-cells (B)</p> Signup and view all the answers

What is a key characteristic of plasma cells?

<p>Secrete antibodies (C)</p> Signup and view all the answers

Where do T-cells differentiate into different subpopulations like memory cells and plasma cells?

<p>Thymus (D)</p> Signup and view all the answers

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