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Old 03-20-2012
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Immunology Naturally occuring ABO antibodies!

Why are antibodies normally formed in response to ABO blood groups?

A. Prior exposure to blood transfusion
B. Maternal exposure in the womb
C. Gut flora
D. Type I hypersensitivity
E. Normal translation by genes
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Old 03-20-2012
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is it C) Gut Flora ?

Explanation - because of the carbohydrates in the gut flora/food that are mismatched compared to the ABO group type.

Not sure though!
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Old 03-20-2012
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Ans E ........

Ab are normally formed against the Ag when dont have ......... nothing to do with

A. Prior exposure to blood transfusion
B. Maternal exposure in the womb
C. Gut flora
D. Type I hypersensitivity
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