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Immune Response (Biochemistry) Question and Answers-Page first

Immune Response problems


  • 1. Plasma cells produce thousands of __________ that are released into the bloodstream

  • Options
  • A. antigens
  • B. antibodies
  • C. helper T cells
  • D. virus fragments
  • Discuss
  • 2. 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
  • 3. 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
  • 4. 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
  • 5. 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
  • 6. 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
  • 7. 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
  • Discuss
  • 8. 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
  • 9. 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
  • 10. 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

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