Which blood group is known as the universal donor?
A
AB positive
B
A negative
C
B negative
D
O negative
Correct Answer: Option D — O negative
Explanation:
O negative blood is the universal donor type because it lacks A B and Rh antigens on red blood cells making it compatible for transfusion to...
O negative blood is the universal donor type because it lacks A B and Rh antigens on red blood cells making it compatible for transfusion to recipients of any blood type.