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The different blood types are A, B, AB and O. The interaction of these different types depends on two factors: (1) the antigen expressed on the surface of the RBC and (2) that antibody produced in the blood. The antibody in a certain blood type can cross-react with the antigen of another blood type and result in a medical emergency for the recipient if they are not properly matched. The antibody-antigen interaction can result in activation of the complement system and intravascular hemolysis.
Type A blood produces "A" antigen and "anti-B" antibodies.
Type B blood produces "B" antigen and "anti-A" antibodies.
Type AB blood produces both "A" and "B" antigen but no antibodies.
Type O blood produces no antigen but both "anti-A" and "anti-B" antibodies.
If a person with type A blood received a transfusion with type B blood, the recipient's "anti-B" antibodies would attack the B blood cells. However, if the same person received type O blood, the "anti-B" antibodies have no target antigen and thus would not attack the O blood cells. This is also true for B blood type recipients.
Note: the "anti-A" and "anti-B" antibodies from the O donor, after diluted in the recipient's blood, do not mount a sufficient immune response to cause a concern in most cases. Also, often "packed blood cells" are given with the plasma removed, which contains the largest concentration of the antibodies.
Thus, because O blood type does not express any antigen on it's surface that can serve as a target for antibodies produced by the recipient, it is considered the universal donor.
Type O can be given to anyone no matter their blood type. O- is best but it is very rare. It has neither antibody for A, b or AB and so it will not cause agglutination.
Because it does not contain any "A" or "B" proteins. "O"- Negative would not contain the rhesus "Rh" factor either, further making it the universal donor.
Wiki User
∙ 9y ago
Wiki User
∙ 12y agoO negative (O-) is the universal blood donor because it does not have either the A or the B antigens found in other blood cells, which makes it safe for transfusion.
However O- and O+ can only receive blood from the same blood group, due to the lack of the A and B antigens.
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What type of blood can be given to anyone?
O+ :is a universal donor
What are the four blood types and which is the universal donor and which is the universal recipient?
The four blood types are A, B, AB, and O. The universal donor is O and the universal recipient is AB
What is the unversal donor blood type?
Type O negative.
Is O positive blood universal blood?
No. O negative is the universal donor.
Is a person with blood type O a universal donor?
Yes, A person having O +ve blood group is universal donor
is A positive blood a universal donor type?
O negative is the universal donor because when O+ve blood group is transfused to -ve blood group recipient, antibodies are produced which causes hemolysis of Rh +ve labelled blood cells. When O-ve blood is transfused to Rh +ve recipient, no antibodies are produced as donor blood has no Rh factor present on blood cells, so no transfusion reaction occurs. Thus, O -ve is universal donor.
Can a plus donate to o?
Yes, O- is a universal donor.
What blood type is a universal reciever?
AB+ is the universal receiver. O - is the universal donor.
Which blood type is theoretically considered the universal donor?
The blood type that is theoretically considered the universal donor is type O. Type O blood does not have any antigens, therefore it is compatible with any blood type.
Is O plus Universal Donor?
No it is not..The blood group is O negative.
What is called as universal donor because it has no antigen?
o
What blood known as the universal donor?
O negative
