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Last Updated: Oct. 28, 2016 [All links fixed]
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Mr. RM is an 89-year-old male who has been admitted through the Emergency department with a broken hip. He has no history of transfusion and no other diagnosed underlying medical conditions. He takes high blood pressure medication.
After reviewing the case resolution, answer these questions:
At what age do ABO antibodies normally develop and why?
At what age do anti-A and anti-B reach adult levels and which immunoglobulin class is prevalent in adults?
Differences exist between the ABO antibody titres of adults. What are some of the causes?
Which antibody (anti-A or anti-B) usually has the stronger titre?
What causes the greater variation in the ABO antibody titres of adults: individual variation or age-related variation?