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Assuming that the vaccination and primary immune response to the antigen is succ

ID: 3515100 • Letter: A

Question

Assuming that the vaccination and primary immune response to the antigen is successful, what predominant immunoglobulin do you predict to be rapidly produced after a vaccinated individual’s re-exposure to the exact same antigen?

Immunoglobulin E (IgE)

Immunoglobulin G (IgG)

Immunoglobulin A (IgA)

Immunoglobulin D (IgD)

Assuming that the vaccination and primary immune response to the antigen is successful, what predominant immunoglobulin do you predict to be rapidly produced after a vaccinated individual’s re-exposure to the exact same antigen?

Immunoglobulin E (IgE)

Immunoglobulin G (IgG)

Immunoglobulin A (IgA)

Immunoglobulin D (IgD)

Explanation / Answer

Immunoglobulin A is rapidly produced after a vaccinated individual's re-exposure to the exact same antigen. Immunoglobulin A has a role in immune response in mucus membrane and gastrointestinal tract. There are two subtype of IgA, IgA1 and IgA2. Immunoglobulin A provide immunity against microbes which are present and multiply in body secretions like mucus, tears etc.