Immune System Cells and Functions Quiz
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Questions and Answers

What is the primary function of the humoral branch of the immune system?

  • Effective in viral and fungal infection
  • Rejection of tissue transplants
  • Primary defense against bacterial infection (correct)
  • Destruction of cancer cells

    • Which cell type is responsible for cell-mediated immunity and defense against viral and fungal infections?

  • T lymphocytes (correct)
  • Antibodies
  • B lymphocytes
  • Phagocytes

    • Which primary lymphoid organ is responsible for the maturation and differentiation of B lymphocytes?

  • Spleen
  • Bone marrow (correct)
  • Bursa of Fabricius
  • Thymus

    • What is the main function of antibodies produced by B lymphocytes?

    <p>Direct combination and neutralization of bacterial toxins</p> Signup and view all the answers

    Which immune cell type is responsible for the rejection of tissue transplants?

    <p>T lymphocytes</p> Signup and view all the answers

    What is the main difference between the humoral and cellular branches of the immune system?

    <p>Humoral involves antibody production, while cellular involves direct cell-to-cell contact</p> Signup and view all the answers

    Which region of the lymph node is primarily populated by T lymphocytes?

    <p>Paracortical region</p> Signup and view all the answers

    Which part of the spleen is primarily populated by B lymphocytes?

    <p>White pulp</p> Signup and view all the answers

    Which type of antigen can stimulate antibody production without the help of T cells?

    <p>Thymic-independent antigen</p> Signup and view all the answers

    Which property of an antigen refers to its ability to induce a specific immune response?

    <p>Immunogenicity</p> Signup and view all the answers

    Which type of lymphoid tissue is part of the gut-associated lymphoid tissue (GALT)?

    <p>Peyer's patches</p> Signup and view all the answers

    Which of the following is a key difference between antigens and immunogens?

    <p>Antigens are substances that react with antibodies or sensitized T cells, while immunogens are substances that can induce an immune response.</p> Signup and view all the answers

    Which of the following is a key characteristic of adaptive immunity?

    <p>It allows the body to recognize and respond to specific antigens.</p> Signup and view all the answers

    What is the primary function of T lymphocytes (T cells) in the immune system?

    <p>To coordinate the cell-mediated immune response.</p> Signup and view all the answers

    Which of the following is a key component of the lymphoid system?

    <p>Lymph nodes</p> Signup and view all the answers

    What is the primary function of B lymphocytes (B cells) in the immune system?

    <p>To produce antibodies against pathogens.</p> Signup and view all the answers

    What is the term used to describe the ability of a pathogen to cause disease?

    <p>Pathogenicity</p> Signup and view all the answers

    Which of the following is an example of a cell-mediated immune response?

    <p>The killing of infected cells by cytotoxic T cells.</p> Signup and view all the answers

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