A man whose blood group is not known meets with a serious accident and needs blood transfusion immediately. Which one of the blood groups mentioned below and readily available in the hospital will be safe for transfusion ?
Ans is O,rh- negative
Can any one explain why
Ans is O,rh- negative
Can any one explain why
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Thus if the blood from an Rh- person is transfused into an Rh- person the serum of the blood of Rh- person produces anti-Rh agglutinin. But if the person receives another Rh+ transfusion, the anti-Rh agglutinin will cause the red blood cells contributed by the donor to clump as soon as they enter the recipient.
The same phenomenon occurs when an Rh- women becomes pregnant with an Rh+ baby whose inherient Rh factor comes from the father.