General Science • BiologyEasy
Which human blood group is considered the universal donor for blood transfusions?
A. A positive
B. AB positive
C. O negative✓ Correct Answer
D. B positive
💡 Solution & Explanation
O negative blood cells lack A, B, and Rh surface antigens, minimizing immune rejection risks and allowing safe transfusion into recipients of various blood types. Other blood groups carry specific antigens that can provoke adverse immunological reactions in incompatible patients.
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