ANATOMY

Detailed explanation-1: -Universal donors are those with an O negative blood type. Why? O negative blood can be used in transfusions for any blood type.

Detailed explanation-2: -Answer From Rajiv K. Pruthi, M.B.B.S. For emergency transfusions, blood group type O negative blood is the variety of blood that has the lowest risk of causing serious reactions for most people who receive it. Because of this, it’s sometimes called the universal blood donor type.

Detailed explanation-3: -Type O-negative blood does not have any antigens. It is called the “universal donor” type because it is compatible with any blood type. Type AB-positive blood is called the “universal recipient” type because a person who has it can receive blood of any type.

Detailed explanation-4: -AB positive (AB+) and O negative (O-) are considered universal blood types. People who are AB+ are universal recipients, meaning they can safely receive a blood transfusion using any other blood type. 1 O-individuals are universal donors, meaning their blood can be given to people of any blood type.

Detailed explanation-5: -O+ is called the donor blood group. O-is the universal donor group. O-is called the universal donor group because it does not have antigens A, B, D. So it will be unable to cause any immunological reactions to the recipient having any blood group.