Immunoglobulins and Receptors Quiz

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9 Questions

Which antibody is secreted into the lumens of the gastrointestinal and respiratory tracts?

Immunoglobulin A (IgA)

Which antibody is associated with allergies and mast cell-mediated defense against helminths?

Immunoglobulin E (IgE)

Which antibody is associated with neonatal immunity and can cross the placenta to the fetus?

Immunoglobulin G (IgG)

What receptor is associated with the long half-life of IgG?

Neonatal Fc receptor (FcRn)

What receptor is associated with the binding of antibody that responds to helminths and activates eosinophils?

FcεRI (Fc epsilon receptor I)

What receptor on a phagocytic cell binds to C3b?

type 1 complement receptor (CR1)

What kind of vaccine recruits helper T cells to respond to polysaccharide antigens?

conjugate vaccine

When a cell is coated with IgG, what receptor on a NK cell binds to the IgG to promote the killing of the cell?

$ ext{CD16, also known as FcγRIII}$

What role do antibodies play according to the text?

Antibodies function to eliminate microbes, toxins, and infected cells from the body.

Test your knowledge on immunoglobulins and receptors in the immune system with this quiz. Questions cover topics like IgA, IgE, IgG, and FcRn receptors.

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