10 Questions
Which Ig is the first to appear in circulation after B cell stimulation?
IgM
Which Ig is the major circulating antibody?
IgG
Which Ig provides resistance in the respiratory and gastrointestinal tracts?
IgA
Which Ig is found in colostrum, the first milk secreted by the mother?
IgA
Which Ig is a cell surface receptor on B cells and activates them?
IgD
Which Ig plays a role in allergic reactions?
IgE
Which Ig is the most abundant antibody in the body?
IgG
Which Ig provides immunity to the fetus and newborn by crossing the placenta?
IgG
Which Ig provides resistance in the respiratory and gastrointestinal tracts?
IgA
Which Ig plays a role in allergic reactions?
IgE
Study Notes
Immunoglobulins (Ig)
- IgM is the first to appear in circulation after B cell stimulation.
Circulating Antibodies
- IgG is the major circulating antibody.
Mucosal Immunity
- IgA provides resistance in the respiratory and gastrointestinal tracts.
Maternal Immunity
- IgA is found in colostrum, the first milk secreted by the mother.
B Cell Activation
- IgM is a cell surface receptor on B cells and activates them.
Allergic Reactions
- IgE plays a role in allergic reactions.
Antibody Abundance
- IgG is the most abundant antibody in the body.
Fetal and Neonatal Immunity
- IgG provides immunity to the fetus and newborn by crossing the placenta.
Test your knowledge of immunoglobulins with this quiz! Learn about the different types of antibodies, their functions, and where they are found in the body. Challenge yourself and become an expert on IgM, IgG, and IgA.
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