Multiple choice

The immunoglobulin present in tears and saliva is

  1. IgM

  2. IgD

  3. IgE

  4. IgA

  5. IgG

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This immunoglobulin being an antibody plays a vital role in mucosal immunity. It is dominately present in mucous secretions, including tears and saliva.