10 Questions
Which antibody has the capability to form a lattice and agglutinate pathogens effectively?
IgM
In the absence of allergen, which antibody binds to Fc receptors on mast cells?
IgE
Which antibody is found in higher levels in the serum of allergy sufferers?
IgE
Which antibody component can bind to mucus and retain antigens on the mucus surface?
Secretory component of IgA
Which antibody is expressed on the surface of newly formed B cells along with IgM?
IgD
Which of the following subclasses of IgG has the highest concentration in serum?
IgG1
Which antibody class is primarily responsible for mucosal membrane immunity in the gastrointestinal and respiratory tracts?
IgA
How is the IgA dimer able to enter the gut lumen?
It binds to the secretory component receptor on the basolateral surface of epithelial cells and is transported across.
What is the primary function of IgA in the gut lumen?
Agglutinating and regulating intestinal bacteria populations
Which of the following functions is associated with IgG antibodies?
Opsonization of pathogens, making them more attractive to phagocytic cells
Test your knowledge on the classes and functions of antibodies, focusing on the different isotypes and subclasses such as IgG1, IgG2, etc. Learn about the specific roles of antibodies like opsonization and attracting NK cells.
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