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Disease Associated with Immune System (Biochemistry) Question and Answers-Page first

Disease Associated with Immune System problems


  • 1. If Class IIMHC is not expressed in the thymus, the resulting immune deficiencies would include all of the following except reduced

  • Options
  • A. alternative complement activation.
  • B. CD8 T cell-mediated cytotoxicity
  • C. macrophage activation to vesicular pathogens
  • D. IgG synthesis
  • Discuss
  • 2. The HIV virus infects primarily

  • Options
  • A. brain cells
  • B. cells in the immune system
  • C. red blood cells
  • D. liver cells
  • Discuss
  • 3. A monoclonal antibody (mAb) specific for the 2,4-dinitrophenyl (DNP) hapten might also bind

  • Options
  • A. Leu or Ileu
  • B. His or Pro
  • C. Tyr or Phe
  • D. Ser or Thr
  • Discuss
  • 4. The primary reason for AIDS, a deadly disease is that it

  • Options
  • A. is caused by a virus
  • B. is caused by a bacterium
  • C. destroys key components of the body's internal defense system
  • D. causes a breakdown of the body's inflammatory response
  • Discuss
  • 5. The chemical, typically released by the body in an allergic response is

  • Options
  • A. histamine
  • B. allergens
  • C. antihistamines
  • D. perforins
  • Discuss
  • 6. An example of an immunodeficiency disorder is

  • Options
  • A. thyroiditis
  • B. rheumatic fever
  • C. systemic lupus erythematosus
  • D. AIDS
  • Discuss
  • 7. To treat HIV infections using drugs, the major problem is that

  • Options
  • A. the drugs that are good inhibitors cannot by synthesized
  • B. the drugs interfere with normal digestion
  • C. the virus particles with altered (mutant) proteases arise
  • D. the drugs are rapidly degraded
  • Discuss
  • 8. A selective IgA deficiency would be expected to result in problems with

  • Options
  • A. bacterial infections
  • B. infections following dental work due to bacteria entering the bloodstream
  • C. mucosal pathogens
  • D. pathogens which can survive inside macrophages
  • Discuss
  • 9. Bone marrow given to an infant with SCID must

  • Options
  • A. be irradiated to eliminate GVHD
  • B. contain mature T cells that can begin making immune responses immediately
  • C. come from a donor that shares some MHC alleles with the recipient
  • D. come from one of the child's parents
  • Discuss
  • 10. Combined cellular and humoral immune deficiencies result from lack of all of the following except

  • Options
  • A. a thymus
  • B. class II MHC
  • C. HIV infection of CD4+ T cells
  • D. transporter of antigen peptides (TAP)
  • Discuss

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