In respiratory and GIT infections, which is the most affected immunoglobulin?
Ans. is 'a' i.e., IgA(Ref: Ananthanarayan,9th/e, p. 97 - 98 and 8th/e, p. 98 - 99)* IgA (Secretory IgA) is selectively concentrated in secretions and on mucous surfaces forming an antibody paste and is believed to play, an important role in local immunity against respiratory and intestinal pathogens.
IgA
IgG
IgM
IgD
Immunology