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3. A person comes into the ER, where you work as a nurse, after being shot 4 tim

ID: 3524568 • Letter: 3

Question

3. A person comes into the ER, where you work as a nurse, after being shot 4 times in the back. He is unconscious and needs blood. The ER doctor yells at you to hang a unit of O-. Based on what you know about blood type, antigens, and antibodies, why did the doctor ask for O-and not another blood type? dors not have ontignD prssent itto lol ood or A and B. emolytic disease of the newborn (HDN) is a condition that can be fatal to a fetus if parents do not know their Rh status (+or- ood type). Using your textbook or the internet, describe the cause of HDN and explain why it is important for parents to know ir blood types before having children.

Explanation / Answer

ANSWER

O NEGATIVE IS A UNIVERSAL DONOR AS THE BLOOD GROUP DOESNOT NOT HAVE A & B ANTIGENS ON ITS SURFACE OF RBCs . HENCE THERE IS NO ANTIGEN - ANTIBODY REACTION TAKES PLACE IN THE BLOOD OF THE PATIENT WHICH IS GIVEN THIS BLOOD GROUP . HENCE IT CAN BE TRANSFUSED EASILY WITHOUT ANY COMPLICATIONS. ALSO IT LACKS THE RH ANTIGEN (D ANTIGEN) HENCE CAN SAFELY BE GIVEN TO ALL BLOOD GROUPS