The Antibody predominantly found in human saliva is
Question and options
The Antibody predominantly found in human saliva is
- IgD
- IgG
- IgM
- IgA
Answer and explanation
Correct answer: D - IgA
IgA, in its secretory (dimeric) form, is the main antibody in saliva, tears, breast milk and other mucosal secretions. IgG is the main antibody of blood plasma rather than of secretions, while IgM and IgD are found mainly in blood and on B cells.
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