All of the Following Are Accurate Statements About Neonatal Immunity

Question 13
Multiple Choice

All of the following are accurate statements about neonatal immunity EXCEPT: A)Transfer of maternal IgG across the placenta is mediated by an Fc receptor structurally similar to class I MHC. B)IgA is absorbed in the gut from breast milk and re-secreted by the infant into the bronchial mucosa. C)IgA secretion into breast milk involves transport through breast epithelial cells,and is dependent on the poly-Ig receptor. D)Transport of IgG across the neonatal intestinal epithelium is mediated by an Fc receptor structurally similar to class I MHC. E)Loss of maternal antibodies is partly responsible for increased frequency of infections in infants at about 6 months of agE.