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Home Biochemistry Immune System Comments

  • Question
  • Which of these is a type of specific defense against pathogens?


  • Options
  • A. Lymphocytes
  • B. Macrophages
  • C. Phagocytes
  • D. Leukocytes

  • Correct Answer
  • Lymphocytes 


  • Immune System problems


    Search Results


    • 1. Which of these is part of the lymphoid system in humans?

    • Options
    • A. Liver
    • B. Stomach
    • C. Tonsils
    • D. Kidneys
    • Discuss
    • 2. Which of the following produces the antibodies employed in the specific immune response of vertebrates?

    • Options
    • A. B lymphocytes
    • B. T lymphocytes
    • C. Neutrophils
    • D. Macrophages
    • Discuss
    • 3. The maturation of T cells and the production of particular T cell receptors occurs in the

    • Options
    • A. thyroid gland
    • B. thymus gland
    • C. testes
    • D. all of these
    • Discuss
    • 4. Which of the following is most likely to produce anaphylaxis in a susceptible individual?

    • Options
    • A. Pollen
    • B. Mold
    • C. Dust
    • D. Bee sting
    • Discuss
    • 5. A protein that shows infinite cooperative for binding of n ligands will

    • Options
    • A. show a Hill coefficient (nH) of 0.0
    • B. only be found in either the unliganded form or the fully liganded form
    • C. show a Hill coefficient (nH) of n
    • D. both (b) and (c)
    • Discuss
    • 6. What is the behavior in which T cells and B cells constantly travel throughout the body seeking out and destroying foreign substances?

    • Options
    • A. Antibody-mediated immune response
    • B. Immune surveillance
    • C. Cell-mediated immune response
    • D. Vaccination
    • Discuss
    • 7. What type of B cell remains dormant in the body, but can respond rapidly if the same antigen appears again?

    • Options
    • A. T cells
    • B. Memory cells
    • C. Plasma cells
    • D. Macrophages
    • Discuss
    • 8. In a fetus, where are lymphocytes produced?

    • Options
    • A. In the spleen
    • B. In the bone marrow
    • C. In the liver
    • D. In the heart
    • Discuss
    • 9. The protein, produced by B cells that binds to a specific antigen is

    • Options
    • A. phagocyte
    • B. leukocyte
    • C. vaccine
    • D. antibody
    • Discuss
    • 10. Lack of reaction to our own human leukocyte antigens (HLAs) is known as?

    • Options
    • A. autoimmunity
    • B. complement system
    • C. clonal selection
    • D. tolerance
    • Discuss


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