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Which of the following class II antigens would be
most likely to play a contributing role in the etiology of this Pernicious anemia?
A. DR2
B. DR3
C. DR4
D. DR5
E. DR7

Ans: A

D.DR5

dddd
Pernicious anemia is associated with
the DR5 class II antigen ; DR5 is also associated with juvenile rheumatoid arthritis.

D. DR5

dd