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MCQs

Total Questions : 119 | Page 7 of 12 pages
Question 61. What is a protein produced by host cells infected by viruses?
  1.    Interferon
  2.    Histamine
  3.    Antiserum
  4.    Vaccine
 Discuss Question
Answer: Option A. -> Interferon
Answer: (a).Interferon
Question 62. Immunogenicity
  1.    depends on the ability of the native antigen to be presented by MHC
  2.    is usually a property of self antigens such as eye tissue
  3.    is not a property of antibodies
  4.    is not a property of haptens
 Discuss Question
Answer: Option D. -> is not a property of haptens
Answer: (d).is not a property of haptens
Question 63. The immune response to a booster vaccine is called a(n)
  1.    cellular response
  2.    innate response
  3.    primary response
  4.    secondary response
 Discuss Question
Answer: Option D. -> secondary response
Answer: (d).secondary response
Question 64. Polysaccharides on the surface of infecting microorganisms can also activate complement directly in the absence of
  1.    antibody via the alternative pathway
  2.    antigen via the alternative pathway
  3.    antibody via metabolic pathway
  4.    none of the above
 Discuss Question
Answer: Option A. -> antibody via the alternative pathway
Answer: (a).antibody via the alternative pathway
Question 65. Antibodies bound to an invading microorganism activate the complement system via
  1.    classical pathway
  2.    metabolic pathway
  3.    Embden Meyerhof pathway
  4.    Entner-Doudoroff pathway
 Discuss Question
Answer: Option A. -> classical pathway
Answer: (a).classical pathway
Question 66. To detect a humoral immune response to influenza virus, it is possible to measure
  1.    cytotoxicity of virus-infected cells in tissue culture
  2.    dividing T cells in the draining lymph nodes
  3.    plasma cytokine levels
  4.    serum antibody titer
 Discuss Question
Answer: Option D. -> serum antibody titer
Answer: (d).serum antibody titer
Question 67. Combined cellular and humoral immune deficiencies result from lack of all of the following except
  1.    a thymus
  2.    class II MHC
  3.    HIV infection of CD4+ T cells
  4.    transporter of antigen peptides (TAP)
 Discuss Question
Answer: Option D. -> transporter of antigen peptides (TAP)
Answer: (d).transporter of antigen peptides (TAP)
Question 68. Which of the following is in the lymph nodes of a person battling a cold virus?
  1.    Huge numbers of white blood cells
  2.    Trapped viruses that have been roaming the body
  3.    Lymph ducts that enter and exit the nodes and Lymph fluid
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Answer: (d).All of the above
Question 69. A selective IgA deficiency would be expected to result in problems with
  1.    bacterial infections
  2.    infections following dental work due to bacteria entering the bloodstream
  3.    mucosal pathogens
  4.    pathogens which can survive inside macrophages
 Discuss Question
Answer: Option C. -> mucosal pathogens
Answer: (c).mucosal pathogens
Question 70. An example of an immunodeficiency disorder is
  1.    thyroiditis
  2.    rheumatic fever
  3.    systemic lupus erythematosus
  4.    AIDS
 Discuss Question
Answer: Option D. -> AIDS
Answer: (d).AIDS

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