Universal donor and universal acceptor is - (1) O+ and AB- (2) O- and AB- (3) O+ and AB+ (4) O- and AB+

By Ritesh|Updated : November 10th, 2022

Universal donors and universal acceptors are O+ and AB-. Blood compatibility is the capacity of a substance or piece of machinery to function in contact with blood without adverse effects. The O- is a universal donor because it lacks antigens for both the blood group and the Rh factor. The AB- is a universal acceptor and can absorb red blood cells from any kind of donor since it lacks antibodies to A, B, and Rh.

Universal donor and universal acceptor

Blood group AB has no reactive antibodies against any of these antigens, hence a person with this blood type can get blood from any of the other blood groups, including blood group A, blood group B, and blood group O, which do not contain any antigens. Therefore, it is the "universal recipient." Similar to blood group A, blood group O can be donated to any of the other blood groups since it lacks the antigens needed to trigger an immune response. Therefore, the universal donor is blood type O.

Reason for selecting the incorrect answer:

The explanation for Option A: O+ may only give blood to O+, A+, B+ and AB+

The explanation for Option B: AB- may only receive blood from AB-, A-, B- and O-

The explanation for Option C: O+ may only give blood to O+, A+, B+, and AB+.

Summary:

Universal donor and universal acceptor is - (1) O+ and AB- (2) O- and AB- (3) O+ and AB+ (4) O- and AB+

The universal donor and universal acceptors are O+ and AB-. The capacity of a piece of machinery or substance to function in contact with blood without any effects is blood compatibility.

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