A) 0
B) AB
C) A
D) B
Correct Answer: A
Solution :
Blood group 0 (or blood group zero in some countries) individuals do not have either A or B antigens on the surface of their RBCs, but their blood serum contains IgM anti-A antibodies and anti-B antibodies against the A and B blood group antigens. Therefore, a group 0 individual can receive blood only from a group 0 individual, but can donate blood to individuals of any ABO blood group (ie. A, B, 0 or AB). If anyone needs a blood transfusion in an extremely dire emergency and if the time taken to process the recipient's blood would cause a detrimental delay, 0 Negative blood can be issued.
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