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MCQs

Total Questions : 191 | Page 16 of 20 pages
Question 151. The secretary component of sIgA is
  1.    formed by cleavage of an epithelial cell receptor used to transport the dimeric IgA across the epithelial cell
  2.    made by plasma cells that secrete dimeric IgA
  3.    added to dimeric IgA by the M cell
  4.    made by T cells
 Discuss Question
Answer: Option A. -> formed by cleavage of an epithelial cell receptor used to transport the dimeric IgA across the epithelial cell
Question 152. Anti-Rh antibodies are
  1.    IgD type
  2.    IgG type
  3.    IgE type
  4.    IgA type
 Discuss Question
Answer: Option B. -> IgG type
Question 153. Which is not a function of IgA?
  1.    Protect eyes
  2.    Fix complement
  3.    Agglutinate antigen
  4.    Protect mucosal surfaces
 Discuss Question
Answer: Option B. -> Fix complement
Question 154. Weil-Felix reaction is based on sharing of antigens between
  1.    rickettsial antigens and antigens of certain strains of Proteus
  2.    none of these
  3.    sheep RBCs and EB virus
  4.    mycoplasma and human O group RBCs
 Discuss Question
Answer: Option A. -> rickettsial antigens and antigens of certain strains of Proteus
Question 155. VDRL test is an example of
  1.    Ring test
  2.    none of these
  3.    Slide test
  4.    Tube test
 Discuss Question
Answer: Option C. -> Slide test
Question 156. In which of the following case a large lattice is formed?
  1.    Antigen is in excess
  2.    Antigens and antibodies are in optimal proportion
  3.    None of these
  4.    Antibody is in excess
 Discuss Question
Answer: Option B. -> Antigens and antibodies are in optimal proportion
Question 157. Agglutination reaction is more sensitive than precipitation for the detection of
  1.    antigen-antibody complexes
  2.    complement
  3.    antigens
  4.    antibodies
 Discuss Question
Answer: Option C. -> antigens
Question 158. Precipitation reaction is relatively less sensitive for the detection of
  1.    antibodies
  2.    antigen-antibody complexes
  3.    complement
  4.    antigens
 Discuss Question
Answer: Option A. -> antibodies
Question 159. Ring test is used for
  1.    typing of streptococci and pneumococci
  2.    Ascoli's thermoprecipitation test
  3.    C-reactive protein test
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 160. Monoclonal antibody production requires
  1.    both (a) and (b)
  2.    mouse myeloma cells
  3.    none of these
  4.    mouse splenic lymphocytes
 Discuss Question
Answer: Option A. -> both (a) and (b)

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