The Lymphatic and Immune System Chapter 21 Quiz
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Questions and Answers

Where do B cells develop?

  • Thymus
  • Red bone marrow (correct)
  • Spleen
  • Yellow bone marrow

    • Which immune cells contain cell killing granules?

  • Natural Killer cells (correct)
  • T cells
  • B cells
  • Plasma cells

    • Where do T cells mature?

  • Lymph nodes
  • Bone marrow
  • Spleen
  • Thymus (correct)

    • What is the function of chemokines secreted by T cells?

    <p>Attracting other immune cells or destroying infected cells</p> Signup and view all the answers

    What is the role of secondary lymphoid organs mentioned in the text?

    <p>Filtering lymph</p> Signup and view all the answers

    What is the main function of the lymphatic system?

    <p>Filtering pathogens from the blood</p> Signup and view all the answers

    How does lymph move through the lymphatic vessels?

    <p>Movement due to muscle contraction and body movements</p> Signup and view all the answers

    Which areas of the body lack lymph vessels?

    <p>Bone marrow and central nervous system (CNS)</p> Signup and view all the answers

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

    <p>Produce plasma cells that bind to antigens</p> Signup and view all the answers

    Which type of immune response is rapid but non-specific?

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

    What is the main function of lymph nodes in the immune system?

    <p>Coordinate adaptive immunity</p> Signup and view all the answers

    Why is an antibody ineffective against a virus inside a cell?

    <p>Antibodies cannot penetrate the cell membrane.</p> Signup and view all the answers

    Which of the following is NOT a mechanism used by pathogens to evade the immune response?

    <p>Releasing histamine to attract immune cells.</p> Signup and view all the answers

    Which of the following is an inherited immunodeficiency disorder?

    <p>Severe Combined Immunodeficiency Disease (SCID)</p> Signup and view all the answers

    What is the primary treatment for Severe Combined Immunodeficiency Disease (SCID)?

    <p>Bone marrow transplant</p> Signup and view all the answers

    Which of the following is a characteristic of the influenza virus that contributes to its ability to evade the immune system?

    <p>It undergoes frequent mutations.</p> Signup and view all the answers

    What is seroconversion in the context of HIV/AIDS?

    <p>The development of antibodies against HIV.</p> Signup and view all the answers

    How does Immediate (Type 1) hypersensitivity differ from Delayed (Type 4) hypersensitivity?

    <p>Immediate hypersensitivity involves rapid reactions, while Delayed hypersensitivity takes 24-72 hours for symptoms to appear.</p> Signup and view all the answers

    Why might autoimmune diseases be less common in countries with high infectious disease rates?

    <p>Possibly due to the immune system being occupied with fighting infectious diseases.</p> Signup and view all the answers

    What must match for a successful organ transplant, according to the text?

    <p>Mismatched MHC alleles</p> Signup and view all the answers

    In what way can a healthy immune system impact cancer?

    <p>Controlling some cancers</p> Signup and view all the answers

    What is the main challenge in developing a vaccine for a virus that mutates often?

    <p>Keeping up with the rapid mutation of the virus</p> Signup and view all the answers

    Why does infiltration of T cells in the first week after an organ transplant suggest a likely failure?

    <p>The immune response against T cell infiltration leads to rejection.</p> Signup and view all the answers

    What is the function of lymph nodes?

    <p>Removing debris and pathogens from lymph</p> Signup and view all the answers

    Which organ is known as the 'filter of the blood'?

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

    What is the role of mucosa-associated lymphoid tissue (MALT)?

    <p>Protecting against pathogens in the GI tract and other areas</p> Signup and view all the answers

    Why do tonsils swell during an infection?

    <p>As a result of an active immune response to infection</p> Signup and view all the answers

    What are lymphoid nodules?

    <p>Dense collections of lymphocytes without a fibrous capsule</p> Signup and view all the answers

    What is the function of afferent lymphatic vessels entering the lymph node?

    <p>Delivering lymph into the node</p> Signup and view all the answers

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