NEET 2012 Biology question

Biology Body Fluids and Circulation NEET 2012

A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor ?

(1)Blood group A
(2)Blood group B
(3)Blood group AB
(4)Blood group OCorrect

Answer: (4)

Solution

When the recipient's blood group is unknown, blood from a universal donor must be used. Group O red cells have neither A nor B antigens on their surface, so they are not agglutinated by the anti-A or anti-B antibodies in the recipient's

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Question ID VK-091211