HAEMATOLOGY: PRACTICE 2

                                   SINGLE BEST OPTION SERIES
       
              INSTRUCTION: SELECT THE SINGLE BEST OPTION
              

1.        Anti-A and anti-B antibodies occurring  in human plasma, are usually...........immunoglobulin
   a.       IgM
   b.      IgG
   c.       IgD
   d.      IgA
   e.      IgE
   2.       Anti-A and anti-B antibodies in human plasma are called cold antibodies because they react maximally at:
   a.       0⁰C
   b.      30⁰C
   c.       37⁰C
   d.      4⁰C
   e.      20⁰C
   3.       Which of the following immunoglobulin is transplacentally transferred to a foetus:
   a.       IgA
   b.      IgM
   c.       IgD
   d.      IgE
   e.      IgG
   4.       Which of the following is incorrect about the rhesus blood group system:
   a.       Rh antibodies rarely occur naturally
   b.      Anti-D is responsible for a minority of clinical problems associated with system
   c.       Anti-D is a warm antibody
   d.      Anti-C and anti-E may occasionally cause transfusion reaction
   e.      Anti-d does not exist.
   5.       The following are known blood group systems except:
   a.       ABO
   b.      Kell
   c.       Lewis
   d.      MNS
   e.      None of the above
   6.       The following are usual measures to protect recipients of blood transfusion except:
   a.       Donor deferral in some cases
   b.      Leucodepletion of cellular products
   c.       Post-collection viral inactivation
   d.      Stringent arm cleaning
   e.      Taking blood from all donors of acceptable age.
   7.       Which of the following groups are not excluded from blood donation
   a.       Homosexuals
   b.      Heterosexuals
   c.       Bisexuals
   d.      Intravenous drug abusers
   e.      Partners of haemophiliacs
   8.       The following groups of people must receive cytomegalovirus negative blood except:
   a.       Premature babies
   b.      Stem cell transplant recipients
   c.       Pregnant women
   d.      Adolescents
   e.      Patients taking alemtuzumab therapy
   9.       Which of the following is incorrect about blood transfusion?
   a.       Syphilis is more likely to be transmitted by stored platelets than blood.
   b.      Malarial parasites are usually not viable in blood stored at 4⁰C
   c.       Chagas disease may be transmitted in Latin America
   d.      Bacterial infections resulting from skin commensals, are most frequently transmitted by platelets stored for more than 3 days
   e.      Recipients of blood or blood components are excluded as blood donors in the United Kingdom because of the risk of new variant Creutzfeldt-Jakob disease
   10.   The following are early complications of blood transfusion except:
   a.       Transfusional iron overload
   b.      Pyrogenic reactions
   c.       Allergic reactions
   d.      Haemolytic reactions
   e.      Post transfusion purpura
   
   
   ANSWERS:
   1. a
   2. d
   3. e
   4. b
   5. e
   6. e
   7. b
   8. d
   9. b
   10. a
                                           REMEMBER
   ” Some people sin by not working diligently for six days whereas, others – because of greed, unbelief or powerlessness- sin by working also on a day of rest and worship. Either way of breaking this   command results in poverty.”   By  Vishal Mangalwadi.