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Questions and Answers
Which class of immunoglobulins is the most common and longest-lasting in the blood?
Which class of immunoglobulins is the most common and longest-lasting in the blood?
- Immunoglobulin A (IgA)
- Immunoglobulin G (IgG) (correct)
- Immunoglobulin M (IgM)
- Immunoglobulin D (IgD)
Which antibody is a huge molecule composed of five monomers and is most efficient at complement activation?
Which antibody is a huge molecule composed of five monomers and is most efficient at complement activation?
- Immunoglobulin A (IgA)
- Immunoglobulin E (IgE)
- Immunoglobulin G (IgG)
- Immunoglobulin M (IgM) (correct)
Which antibody is the only one that crosses the placenta and provides protection to the fetus?
Which antibody is the only one that crosses the placenta and provides protection to the fetus?
- Immunoglobulin M (IgM)
- Immunoglobulin E (IgE)
- Immunoglobulin G (IgG) (correct)
- Immunoglobulin A (IgA)
What do antibodies catalyze to kill bacteria, including hydrogen peroxide, ozone, and other potent oxidants?
What do antibodies catalyze to kill bacteria, including hydrogen peroxide, ozone, and other potent oxidants?
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Through what process do numerous antibodies aggregate antigens together, hindering the activity of pathogenic organisms?
Through what process do numerous antibodies aggregate antigens together, hindering the activity of pathogenic organisms?
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