INBDE (Integrated National Board Dental Examination) Practice Exam

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Ace your INBDE with our comprehensive practice exam. Featuring detailed explanations, interactive flashcards, and a wide array of multiple-choice questions designed to mirror the real test. Get ready to surpass your expectations!

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Tonsils mostly produce which of the following?

Secretory IgM
Secretory IgD
Secretory IgE
Secretory IgA

The correct answer is: Secretory IgA

The other options, IgM, IgD, and IgE, are produced in other parts of the body such as the bone marrow, lymph nodes, and intestinal mucosa. Tonsils are a part of the lymphatic system and their main function is to produce IgA antibodies, which help protect the body from infections by trapping bacteria and viruses in mucus and preventing them from entering the body. Therefore, it is incorrect to say that tonsils produce IgM, IgD, or IgE.