Neonatology MCQ- Q31

 

PEDIATRIC MCQ  SECTION  Neonatology -   Q31

 

31. A baby boy is born at term by normal vaginal delivery after an uncomplicated pregnancy. After being given vitamin K (4mg ) prophylaxis he is discharged home following a normal baby check-up. He presents again on 3rd day of age with severe hemolytic jaundice. having bilirubin levels of 18mg/dl?

A. Rh incompatibility
B. Abo incompatibility
C. G6Pd deficiency
D. Biliary atresia
E. Dubin johnson

ANSWER= Ans C
Explain:- Vitamin K is a fat-soluble vitamin with a key role in the synthesis of clotting factors and its dose is 1mg in newborns. Vitamin K may decrease glutathione concentrations in normal infant erythrocytes, it is suggested that it may trigger hemolysis in G6PD-deficient infants.

                           

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