Lymphatic System and Immune Response Quiz
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Questions and Answers

What is the primary function of the lymphatic system?

  • To remove pathogens and excess fluid from the body (correct)
  • To produce red blood cells
  • To transport oxygen throughout the body
  • To regulate body temperature

How does lymph fluid move through the lymphatic system?

  • By the force of gravity
  • Through muscle contractions and breathing (correct)
  • By the pumping action of the heart
  • Through a series of pumps

What is the function of lymph nodes?

  • To produce white blood cells
  • To store lymph fluid
  • To act as a staging area for an immune response (correct)
  • To filter waste products from the blood

What is the name given to the lymphatic vessels that carry dietary lipids and fat-soluble vitamins from the intestines?

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

What happens if the lymphatic system becomes blocked?

<p>Lymphedema can develop (C)</p> Signup and view all the answers

Which of the following is NOT one of the three phases of the immune system mentioned in the text?

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

Which of the following cells are involved in the adaptive immune response?

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

What is the primary function of plasma cells?

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

Which of the following is NOT a primary lymphoid organ?

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

What is the function of the thymus gland?

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

Which of the following is NOT a barrier to pathogens?

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

What is the primary function of phagocytes?

<p>Ingestion and destruction of pathogens (B)</p> Signup and view all the answers

Which of the following is NOT a type of phagocyte?

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

What is the primary function of Natural Killer (NK) cells?

<p>Destruction of infected cells (B)</p> Signup and view all the answers

Which of the following is NOT a secondary lymphoid organ?

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

What is the primary function of cytokines in the immune response?

<p>Short-distance communication between cells (A)</p> Signup and view all the answers

What is the main characteristic of Type 1 hypersensitivity reaction?

<p>It is an immediate hypersensitivity reaction due to IgE binding to mast cells. (D)</p> Signup and view all the answers

How does HIV weaken the immune system?

<p>By attacking the helper T cells at their CD4 receptor. (D)</p> Signup and view all the answers

What is the condition where the mother's antibodies attack the fetus due to a positive Rh factor in the second child?

<p>Erythroblastosis fetalis (A)</p> Signup and view all the answers

What is the role of cytokines in Type 4 hypersensitivity reactions?

<p>To bring many macrophages and cytotoxic T cells upon second exposure to an antigen. (A)</p> Signup and view all the answers

How do cancer cells evade the immune system?

<p>By mutating rapidly and splitting. (A)</p> Signup and view all the answers

What is an example of a disease that can result from Type 3 hypersensitivity?

<p>Tuberculosis (TB) (A)</p> Signup and view all the answers

What is the primary function of regulatory T cells?

<p>To suppress other T cells and the immune response (C)</p> Signup and view all the answers

Which of the following statements about antibodies is correct?

<p>Antibodies cause agglutination, which is the clumping or bunching together of antigens (B)</p> Signup and view all the answers

What is the process of getting rid of potentially harmful B cells called?

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

What is the primary function of IgM antibodies?

<p>To be the first antibody produced during a primary immune response (C)</p> Signup and view all the answers

Which type of immunity involves the transfer of antibodies from one individual to another?

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

What is the primary mechanism by which cytotoxic T cells eliminate viruses?

<p>By directly killing infected cells (A)</p> Signup and view all the answers

Which of the following is a mechanism used by pathogens to evade the immune system?

<p>All of the above (D)</p> Signup and view all the answers

What is the term used to describe the reciprocal relationship between virus and antibody levels in the blood?

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

Which of the following is the most severe form of immunodeficiency disorder?

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

What is the process called when an antibody changes from one type to another, such as from IgM to IgG?

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

What is the purpose of opsonization in the immune response?

<p>To bring phagocytes to the area via chemotaxis (C)</p> Signup and view all the answers

Which of the following is NOT a characteristic of inflammation?

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

What is the goal of inflammation in the body?

<p>To kill pathogens and clean up debris (B)</p> Signup and view all the answers

Which cells slow down a pathogen for the adaptive immune response to develop?

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

What happens during clonal expansion of T cells?

<p>Rapid mitosis to increase their numbers (A)</p> Signup and view all the answers

Which cells release cytokines to draw macrophages to an antigen?

<p>Helper T cells (Th1) (D)</p> Signup and view all the answers

What is the main function of cytotoxic T cells in the immune response?

<p>To destroy infected cells (C)</p> Signup and view all the answers

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