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Animation Quiz 1 - IgE Mediated (Type 1) Hypersensitivity
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Review the animation and answer the questions that follow to test your understanding.



1

In IgE mediated hypersensitivity, all of the following are needed except
A)antigen presenting cell
B)B cell
C)IgE antibody
D)mast cell
E)neutrophil
2

IgE molecules attach to
A)mast cells via their variable region
B)mast cells by their constant region
C)T helper cells by their variable region
D)plasma cells by their constant region
3

Histamine released by mast cells leads to all of the following symptoms except
A)capillary dilation
B)airway constriction
C)high fever
D)mucus secretion
E)itching
4

For a hypersensitivity response to occur, two bound IgE molecules on a mast cell must react with a specific antigen.
A)True
B)False
5

Activated T helper cells produce cytokines, which stimulate B cells to proliferate and differentiate into plasma cells capable of producing IgE.
A)True
B)False







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