IgA is passed to a newborn through maternal ________ and breast milk.
A)colostrum
B)blood
C)feces
D)placenta

Question

Quizplus · Accepted Answer

IgA antibodies are predominantly found in colostrum (the first milk produced by the mammary glands after giving birth) and breast milk, which are both important sources of immunological protection for the newborn. IgA is not typically transferred across the placenta from the mother to the fetus, nor is it normally found in high concentrations in maternal blood or feces.

IgA Is Passed to a Newborn Through Maternal ________ and Breast