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Home Biochemistry Immune System Comments

  • Question
  • A cell which defends against body cells in which viruses are reproducing is


  • Options
  • A. Exotoxin
  • B. Cytotoxic T cell
  • C. Endotoxin
  • D. Suppressor T cell

  • Correct Answer
  • Cytotoxic T cell 


  • Immune System problems


    Search Results


    • 1. 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
    • 2. The protein, produced by B cells that binds to a specific antigen is

    • Options
    • A. phagocyte
    • B. leukocyte
    • C. vaccine
    • D. antibody
    • Discuss
    • 3. 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
    • 4. 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
    • 5. 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
    • 6. Which of the following characteristics are common in lymphocytes, macrophages, and neutrophils?

    • Options
    • A. They are all part of the nonspecific immune response in vertebrates
    • B. They are all part of the specific immune response in vertebrates
    • C. They are all part of the internal defenses of nonvertebrates
    • D. They are all types of white blood cells
    • Discuss
    • 7. Which of the following is not part of the vertebrate immune system?

    • Options
    • A. Lymphocytes
    • B. Antibodies
    • C. Cardiac glycosides
    • D. Lymph nodes
    • Discuss
    • 8. Which of the following provide specific defense against viruses and bacteria?

    • Options
    • A. T cells
    • B. B cells
    • C. Complement
    • D. inflammation
    • Discuss
    • 9. In animals, blood clots serve the function of

    • Options
    • A. consuming invading organisms
    • B. helping them match the background coloration of the habitat
    • C. stimulating production of killer T lymphocytes
    • D. repairing damage to the body wall
    • Discuss
    • 10. What type of B cell is like a tiny factory that produces antibodies identical to the B cell receptor that bind to the original antigen?

    • Options
    • A. T cells
    • B. Memory cells
    • C. Plasma cells
    • D. Macrophages
    • Discuss


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