Haemolytic disease of the newborn

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2022-08-07

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Affects mainly babies of Rh-positive mothers.
Occurs mainly in babies who lack D agglutinogen.
Causes jaundice which clears rapidly after birth.
Can be treated by transfusing the affected baby with Rh-positive blood.
Can be prevented by injecting the mother with anti-D agglutinins just after delivery.

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safaTerkawi

2022-08-07

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A. False It affects babies of Rh-negative mothers when the child’s red cell membranes carry the D antigen.

B. False It occurs in Rh-positive babies.

C. False The jaundice deepens rapidly after birth as bilirubin is no longer excreted by the maternal liver.

D. False This would be attacked by maternal Rh antibodies in the infant’s blood; Rhnegative blood is given.

E. True These destroy fetal Rh-positive cells in the maternal circulation before such cells can sensitize her to D antigen.

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