Question : Which blood group is present in a universal donor?
Option 1: Blood group B
Option 2: Blood group AB
Option 3: Blood group A
Option 4: Blood group O
Correct Answer: Blood group O
Solution : The correct option is Blood Group O .
A universal donor is someone who has blood type O. Because their red blood cells do not have ABO antigens (A or B antigens) on their surfaces, blood type O is termed the universal donor. Because they lack significant antigens, their blood is less likely to trigger immunological responses in receivers with different blood types. Because type O blood lacks these antigens, it can be safely transfused to people of all blood types.
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Question : Blood group AB has
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