The Ig found in exocrine secretions is_____________?
Correct answer: D. IgA
- A. IgG
- B. IgD
- C. IgM
- D. IgA
Explanation
IgA is the principal immunoglobulin in exocrine secretions such as saliva, tears, intestinal fluid and breast milk, where secretory IgA protects mucosal surfaces. IgG predominates in serum rather than secretions.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Immunology
90 free Immunology MCQs from Microbiology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Microbiology questions like this
Microbiology is on 3 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Immunology questions
Which of the following is not a feature of anaphylaxis ?
Which of the following antibacterial substance is present in eggs and saliva ?
Most antibodies are produced in the________________?
The interaction of antigens with antibodies on the surface of a mast cel leads to degranulation and anaphylaxis. The mast cell granules produce anaphylaxis because they contain________________?
Example of immune complex hyper-sensitivity reaction is______________?
The chemotactic factor is______________?