Which characteristic of O-negative blood explains why people with this blood type are classified as "universal donors"?

A. It does not have any of the antigens that can cause a reaction.
B. The donor can donate blood more frequently than other people.
C. More people have this blood type, so it is more universally available.
D. It is more frequently administered when compared with other blood types.

Question

11-08-2024
Biology

Answered

Which characteristic of O-negative blood explains why people with this blood type are classified as "universal donors"?

A. It does not have any of the antigens that can cause a reaction.
B. The donor can donate blood more frequently than other people.
C. More people have this blood type, so it is more universally available.
D. It is more frequently administered when compared with other blood types.

Answer :

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GinnyAnswer GinnyAnswer · Answer 1 · 2024-08-11T12:59:00-04:00

Final answer:

Type O negative blood is classified as a universal donor due to its lack of A and B antigens, allowing it to be safely transfused into individuals with different blood types.

Explanation:

Type O negative blood is classified as a universal donor because it lacks both A and B antigens, which reduces the risk of causing reactions when transfused into individuals with different blood types. This feature allows individuals with O-negative blood to donate to recipients with diverse blood groups without triggering an immune response.

For example, when type O blood is transfused into a person with type A or B blood, the absence of antigens in type O blood reduces the chances of rejection. In contrast, individuals with AB positive blood are considered universal recipients due to the absence of anti-A or anti-B antibodies, enabling them to receive blood from donors with different blood types.

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