Practice Questions on the Lymphatic and the Immune System
Page 1

  1. The pharyngeal tonsils are found in the:
    1. Oropharynx
    2. Laryngopharynx
    3. Nasopharynx
    4. None of the above

  2. T lymphocytes gain immunocompetence in the:
    1. Thymus
    2. Thymus for T-helper cells and Bone marrow for T-killer cells
    3. Thymus for T-killer cells and Bone marrow for T-helper cells
    4. Bone marrow

  3. Antigen challenge usually occurs in the:
    1. Spleen and thymus
    2. Spleen and bone marrow
    3. Lymph nodes and thymus
    4. Spleen and lymph nodes
    5. Lymph nodes and bone marrow

  4. Plasma cells and Helper T cells both secrete antibodies.
    1. This statement is true
    2. This statement is false

  5. Vaccinations are an example of:
    1. Naturally-acquired active immunity
    2. Artificially-acquired active immunity
    3. Naturally-acquired passive immunity
    4. Artificially-acquired passive immunity

  6. Only _______ and ________ are able to activate complement.
    1. IgG and IgA
    2. IgG and IgE
    3. IgG and IgM
    4. IgG and IgD

  7. ____________________ are activated by antigen fragments complexed with MHC I proteins.
    1. CD8 T cells
    2. CD4 T cells
    3. CD8 B cells
    4. CD4 B cells

  8. An endocardial cell from the mitral valve of the heart would be exepcted to exhibit:
    1. Class I MHC proteins
    2. Class II MHC proteins
    3. Class III MHC proteins
    4. None of the above

  9. Which of the following antibodies is able to confer natural passive immunity?
    1. IgD
    2. IgE
    3. IgG
    4. IgM

  10. The formation of an antigen-antibody complex can lead to:
    1. Agglutination
    2. Neutralization
    3. Activation of complement
      1. I and II only
      2. II and III only
      3. I and III only
      4. I, II, and III

  11. A single IgA dimer can bind _____ antigens.
  12. An example of a primary lymphoid organ in humans is the:
    1. Thyroid
    2. Bursa of Fabricius
    3. Thymus
    4. Pancreas
    5. 2 of the above are correct

  13. Macrophages are examples of:
    1. Antibody-secreting T lymphocytes
    2. Antigen-presenting cells
    3. Activated plasma cells
    4. All of the above

  14. Which of the following are involved in B cell activation?
    1. Antigen
    2. T-helper cell
    3. Cytokine
    4. All of the above

  15. An IgG antibody and an IgM antibody that both bind to the same antigen will differ in their:
    1. Constant regions
    2. Variable regions
    3. Residual regions
    4. All of the above

  16. Perforins, lymphotoxins, and tumor necrosis factor are all released by:
    1. T-helper cells
    2. T-suppressor cells
    3. T-killer cells
    4. All of the above

  17. True or False: The lag time of the secondary immune response is greater than the lag time of the primary immune response.
  18. If Clare has no T-helper cells, she would have:
    1. Impaired cell-mediated immunity
    2. Impaired antibody-mediated immunity
    3. Both a and b

  19. Which of the following is true?
    1. Specialized lymphatic capillaries are involved in fat absorption
    2. There are lymphatic capillaries in bone marrow but not in the CNS
    3. Lymphatic capillaries are less permeable than blood capillaries
    4. Lymphtaic vessels typically lack valves

  20. Lymph formed in your right hand will eventually drain into the:
    1. Left lymphatic duct
    2. Right lymphatic duct
    3. Thoracic duct
    4. Celia choli

  21. Lymph enters the circulatory system at the junction of the:
    1. Subclavian and external jugular veins
    2. Subclavian and internal jugular veins
    3. Subclavian and internal carotid arteries
    4. Subclavian and external carotid arteries

  22. Which of the following is NOT a lymphoid organ?
    1. Spleen
    2. Palatine Tonsil
    3. Thyroid
    4. Lingual Tonsil

  23. Which of the following is TRUE of lymph nodes?
    1. # of efferent lymphatic vessels leaving a lymph node >>> # of afferent lymphatic vessels entering a lymph node
    2. Shrunken lymph nodes are always a sign of infection
    3. The cortex of the lymph node can contain many B lymphocytes
    4. There are approximately 30 lymph nodes in the entire body

  24. Which of the following is TRUE of the spleen?
    1. It's located on the right side of the stomach
    2. Its primary function is lymphocyte production
    3. A histological section of the spleen would typically contain more white pulp than red pulp
    4. It contains smooth muscle within its capsule

  25. Peyer's patches are an example of:
    1. GALT
    2. BALT
    3. MALT
    4. A and c
    5. B and c

  26. Which of the following is true of lysozyme?
    1. It's an enzyme that phagocytoses bacteria
    2. It's often found in secretions that also contain IgA antibodies
    3. It's found in saliva but not in lachrymal fluid
    4. It plays a large role in specific immunity

  27. Which of the following are not phagocytes?
    1. Dust cells
    2. Eosinophils
    3. Microglia
    4. Mast cells
    5. Plasma cells

  28. Interferons:
    1. Are released by cells that are NOT infected by a virus
    2. Cause nearby cells to synthesize a protein which inhibits protein production
    3. Are NOT released by B lymphocytes
    4. Are only released by cardiac muscle cells


    Go to page: 1 2 3
    Go back to my Main A&P Page
    Go to the index of question topics