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MCQs

Total Questions : 57 | Page 5 of 6 pages
Question 41. Coreceptor CD3 is used to bind antigen.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 42. Cytokinin which acts as a growth factor of B-cell is________
  1.    IFNγ
  2.    IL-10
  3.    IL-13
  4.    TNFβ
 Discuss Question
Answer: Option C. -> IL-13
Answer: (c).IL-13
Question 43. Name the syndrome occurs in children due to deficiency of the thymus.
  1.    Acromegaly
  2.    Gigantism
  3.    Cushing syndrome
  4.    DiGeorge syndrome
 Discuss Question
Answer: Option D. -> DiGeorge syndrome
Answer: (d).DiGeorge syndrome
Question 44. Name the cytokines which act as a T-cell growth factor?
  1.    IL-3
  2.    IL-2
  3.    IL-4
  4.    IL-5
 Discuss Question
Answer: Option B. -> IL-2
Answer: (b).IL-2
Question 45. Which of the following steps is NOT involved in the activation of T-cell?
  1.    Double positive cell converts to single positive T-cell
  2.    Foreign peptide bound to MHC provide signals
  3.    CD28 of TCR interacts with B7 of APC
  4.    CD23 has ITAM, which transducer signals
 Discuss Question
Answer: Option A. -> Double positive cell converts to single positive T-cell
Answer: (a).Double positive cell converts to single positive T-cell
Question 46. Mark the correct role of cytosolic T-cells.
  1.    Help in B-cell activation
  2.    Produce cytotoxin
  3.    Proliferate T-cell
  4.    Kill the target cell
 Discuss Question
Answer: Option D. -> Kill the target cell
Answer: (d).Kill the target cell
Question 47. Name the major constituents of cytotoxic T-lymphocyte?
  1.    Lysozyme
  2.    Lymph
  3.    Protein
  4.    Perforin and granzyme
 Discuss Question
Answer: Option D. -> Perforin and granzyme
Answer: (d).Perforin and granzyme
Question 48. Which of the following cell is a multipotent cell?
  1.    T-cell
  2.    B-cell
  3.    HSC
  4.    Monocytes
 Discuss Question
Answer: Option C. -> HSC
Answer: (c).HSC
Question 49. Mark the one, which is NOT a lymphoid progenitor cell.
  1.    Monocyte
  2.    B-cell
  3.    T-cell
  4.    NK cells
 Discuss Question
Answer: Option A. -> Monocyte
Answer: (a).Monocyte
Question 50. Chediak-Higashi syndrome is caused due to deficiency of_________
  1.    Nutrophils
  2.    Nk cells
  3.    Basophils
  4.    Mast cell
 Discuss Question
Answer: Option B. -> Nk cells
Answer: (b).Nk cells

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