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Immune System: Humoral Immunity

Interactive Physiology® Quiz: Immune System: Humoral Immunity

This activity contains 10 questions.

Question 1
1 Antibodies that are free in the extracellular fluid are known as:
End of Question 1

Question 2
2 What portion of the antibody determines whether an antibody can activate complement proteins or act as an opsonin?
End of Question 2

Question 3
3 Which of the following is NOT one of the five classes of antibodies?
End of Question 3

Question 4
4 Which of the following classes constitutes the largest fraction of circulating antibodies?
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Question 5
5 Antibodies in breast milk allow the passive transfer of immunity from mother to baby. Which class of antibody is transferred in breast milk?
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Question 6
6 When exposed to an allergen such as pollen, the body makes what class of antibodies?
End of Question 6

Question 7
7 Which class of antibodies is located on the surface of naive B cells (along with IgM antibodies), acts as antigen receptors, and participates in activating the B cell?
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Question 8
8 B cells usually encounter their specific antigens in the outer cortex of the lymph node. What happens when the B cell encounters the antigen?
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Question 9
9 As the B cells begin dividing during the primary immune response, they begin secreting IgM or form germinal centers in the follicle. Which of the following events results in the cells producing IgG, IgA, or IgE antibodies?
End of Question 9

Question 10
10 Injection of antibodies for rabies is an example of which type of immunity?
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