Human Health and Diseases Question 54
54. Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very ${essential }^{\text{to im }}$ part immunity to the newborn infants because it contains:
[2019]
(a) Natural killer cells
(b) Monocytes
(c) Macrophages
(d) Immunoglobulin $A$
Show Answer
Answer : d
Hints & Solutions
(d) Colostrum, as a thin yellowish milk, is the first secretion for a few days after childbirth. Colostrum serves as an immune system enhancer to the new born infants. It contains immune cells, high protein and protective antibody (such as IgA) content. IgA help protect the mucous membranes in the throat, lungs, and intestines of the infant.
