How come when someone has a blood transfusion, clumping will individual occur if the recipient antibodies attack the donors red blood cells? Shouldn't agglutination also transpire if the donor's antibodies attack the recipients red blood cell?
The answer to your question is that the recipient's volume of blood is usually 8-9 pints or 5 litres. The donor blood usually only have a volume of 1-2 pints although often more.
Therefore nearby are more antibodies in the recipient's blood to attack eg A or B blood donated, than within would be any anti-A or anti-B antibodies against recipient A or B antigens surrounded by any O blood donated. This ratio of antibodies in receiver: donor blood is a large number, possibly within thousands, due to the HLA antigens associated with blood groups also present within the recipient's system.
I hope this helps; except please feel free to IM me.
Because during the bank process a lot of the bloods constituants are removed surrounded by fact solely the red blood cells are transfered they are mixed near saline prior to transfer to return them to mundane osmolality and viscosity.
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