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MCQs

Total Questions : 43 | Page 2 of 5 pages
Question 11. Small simple molecules are
  1.    heterophilic antigens
  2.    moderate antigens
  3.    poor antigens
  4.    rich antigens
 Discuss Question
Answer: Option C. -> poor antigens
Question 12. Helper T cells assist in the functions of
  1.    None of these
  2.    certain B cells and other T cells
  3.    certain B cells
  4.    certain T cells
 Discuss Question
Answer: Option B. -> certain B cells and other T cells
Question 13. The EBV-hybridoma technique
  1.    All of these
  2.    gives much higher hybridization frequencies
  3.    facilitates the proliferation of antigen specific B cells
  4.    immortalizes the donor Bcells
 Discuss Question
Answer: Option A. -> All of these
Question 14. In immuno-inflammatory diseases such as hemolytic anaemia, eczema etc.,
  1.    T8 cells are greatly increased
  2.    T8 cells are greatly reduced
  3.    T4 cells are greatly increased
  4.    T4 cells are greatly reduced
 Discuss Question
Answer: Option B. -> T8 cells are greatly reduced
Question 15. The antigen-specific lymphocytes can be immortalized by which of the following method?
  1.    Hybridization with a suitable lymphoid tumor cell
  2.    All of these
  3.    Transformation following infection by Epstein-Barr virus (EB V)
  4.    Transfection with tumor derived DNA
 Discuss Question
Answer: Option B. -> All of these
Question 16. The Ig locus is about
  1.    2/3rd of all hybridomas
  2.    l/3rd of all hybridomas
  3.    1/4th of all hybridomas
  4.    l/2nd of all hybridomas
 Discuss Question
Answer: Option A. -> 2/3rd of all hybridomas
Question 17. TC cells are important in controlling
  1.    all of these
  2.    allergy
  3.    virus infections
  4.    autoimmunity
 Discuss Question
Answer: Option A. -> all of these
Question 18. The hybrid cells can be propagated
  1.    none of these
  2.    both (a) and (b)
  3.    in tissue culture
  4.    as ascites in peritoneal cavity of mice
 Discuss Question
Answer: Option B. -> both (a) and (b)
Question 19. Which type of cell actually secrets antibodies?
  1.    macrophages
  2.    plasma cells
  3.    dendritic cells
  4.    T cells
 Discuss Question
Answer: Option B. -> plasma cells
Question 20. A cytokine that stimulates the activity of B and T cells is
  1.    all of these
  2.    interlukin-1
  3.    lymphotoxin
  4.    interlukin-2
 Discuss Question
Answer: Option D. -> interlukin-2

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