Immunology Chapter 1: Introduction to Immunity
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Questions and Answers

What is the primary function of the immune system?

  • To defend against infectious microbes (correct)
  • To cause tissue injury and disease
  • To eliminate immune cells
  • To respond to non-infectious foreign substances
  • Which of the following organs is a primary lymphoid organ?

  • Thymus (correct)
  • Mucosa associated lymphoid tissue
  • Lymph node
  • Spleen
  • What is the origin of immune cells in the embryo?

  • Yolk sac and liver (correct)
  • Spleen
  • Thymus
  • Bone marrow
  • What type of stem cells differentiate into granulocytes, monocyte-macrophages, and dendritic cells?

    <p>Myeloid stem cells</p> Signup and view all the answers

    Which of the following is NOT a function of the immune system?

    <p>Regulation of blood pressure</p> Signup and view all the answers

    What is the early response of the immune system against microbes?

    <p>Innate immunity</p> Signup and view all the answers

    The immune system only responds to infectious microbes.

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

    The lymphoid organs are the primary site of immune cell differentiation.

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

    The mucosa-associated lymphoid tissues (MALT) are only found in the respiratory tract.

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

    B lymphocytes, lymphocytes, and natural killer cells are derived from myeloid stem cells.

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

    The immune system always provides protection against tissue injury and disease.

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

    The thymus is a secondary lymphoid organ.

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

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