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Home Biochemistry Immune Response Comments

  • Question
  • In cellular immunity, T lymphocytes are responsible for the recognition and killing of foreign invaders. The cells are


  • Options
  • A. cytotoxic T lymphocytes (CTL)
  • B. killer T cells
  • C. both (a) and (b)
  • D. none of the above

  • Correct Answer
  • both (a) and (b) 


  • Immune Response problems


    Search Results


    • 1. The immune response to a booster vaccine is called a(n)

    • Options
    • A. cellular response
    • B. innate response
    • C. primary response
    • D. secondary response
    • Discuss
    • 2. If a person is vaccinated against a disease sometime in the past, which of the following is currently in your body?

    • Options
    • A. The disease organism itself and antigens for the disease organism
    • B. A very high level of antibodies against the disease antigens
    • C. Memory B lymphocytes for the antigen of this disease organism
    • D. All of the above
    • Discuss
    • 3. Polysaccharides on the surface of infecting microorganisms can also activate complement directly in the absence of

    • Options
    • A. antibody via the alternative pathway
    • B. antigen via the alternative pathway
    • C. antibody via metabolic pathway
    • D. none of the above
    • Discuss
    • 4. What are the solutions prepared from weakened or dead microorganisms, viruses, or toxins that provide some immunity from diseases?

    • Options
    • A. Vaccines
    • B. Histamines
    • C. Drugs
    • D. Antibiotics
    • Discuss
    • 5. Which of the following is in the lymph nodes of a person battling a cold virus?

    • Options
    • A. Huge numbers of white blood cells
    • B. Trapped viruses that have been roaming the body
    • C. Lymph ducts that enter and exit the nodes and Lymph fluid
    • D. All of the above
    • Discuss
    • 6. To detect a humoral immune response to influenza virus, it is possible to measure

    • Options
    • A. cytotoxicity of virus-infected cells in tissue culture
    • B. dividing T cells in the draining lymph nodes
    • C. plasma cytokine levels
    • D. serum antibody titer
    • Discuss
    • 7. Immunogenicity

    • Options
    • A. depends on the ability of the native antigen to be presented by MHC
    • B. is usually a property of self antigens such as eye tissue
    • C. is not a property of antibodies
    • D. is not a property of haptens
    • Discuss
    • 8. Which of the following immune cells would have an especially low count in a patient with advanced AIDS?

    • Options
    • A. Killer T lymphocytes
    • B. Helper T lymphocyte
    • C. B lymphocytes
    • D. None of these
    • Discuss
    • 9. Antibodies bound to an invading microorganism activate the complement system via

    • Options
    • A. classical pathway
    • B. metabolic pathway
    • C. Embden Meyerhof pathway
    • D. Entner-Doudoroff pathway
    • Discuss
    • 10. During exposure to a foreign invader, there are more __________ present in the vertebrate body than before exposure

    • Options
    • A. antibodies
    • B. lymphocytes
    • C. macrophages and antigens
    • D. all of these
    • Discuss


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