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

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

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

What is the main function of the lymphatic system?

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

How does lymph move through the lymphatic vessels?

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

Which areas of the body lack lymph vessels?

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

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

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

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

<p>Coordinate adaptive immunity (A)</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. (A)</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. (D)</p> Signup and view all the answers

Which of the following is an inherited immunodeficiency disorder?

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

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

<p>Bone marrow transplant (B)</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. (B)</p> Signup and view all the answers

What is seroconversion in the context of HIV/AIDS?

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

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

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

In what way can a healthy immune system impact cancer?

<p>Controlling some cancers (C)</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 (B)</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. (D)</p> Signup and view all the answers

What is the function of lymph nodes?

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

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

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

What are lymphoid nodules?

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

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