Self Quiz for The Adaptive Immune System: Antibodies - The 5 Classes of Human Antibodies

Study the material in this section and then write out the answers to these questions.
Do not just click on the answers and write them out. This will not test your understanding of this tutorial.


1. Match the class (isotype) of human antibody with its description.

_____ are monomers (ans)

_____ is a pentamer (ans)

_____ is a dimer (ans)

_____ activates the classical complement pathway by its Fc portion (ans)

_____ binds to macrophages and neutrophils by its Fc portion (ans)

_____ binds to NK cells by its Fc portion (ans)

_____ crosses the placenta (ans)

_____ functions as a B-cell receptor (ans)

_____ the first antibody produced during an adaptive immune response (ans)

_____ binds to components of mucous by its Fc portion (ans)

_____ found mainly in body secretions (ans)

_____ binds to mast cells and basophils by its Fc portion and promotes inflammation, coughing, sneezing, vomiting, and allergic reactions (ans)

_____ binds to eosinophils by its Fc portion and promotes the removal of parasitic worms and arthropods (ans)

a. IgG
b. secretory IgA
c. IgE
d. IgD
e. IgM

2. Multiple Choice (ans)



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Updated: Aug., 2014
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