If B cells making high-affinity IgG4 are unable to switch to IgE at a late stage in the germinal center reaction during a helminth infection, then _____. (Select all that apply.) a. a chronic infection will ensue b. IgG4 will activate macrophages to secrete inflammatory cytokines c. a type III hypersensitivity reaction will result d. mast cells, basophils, and eosinophils will not be activated e. a delayed-type hypersensitivity reaction is required to eradicate the infection.
If B cells making high-affinity IgG4 are unable to switch to IgE at a late stage in the germinal center reaction during a helminth infection, then _____. (Select all that apply.) a. a chronic infection will ensue b. IgG4 will activate macrophages to secrete inflammatory cytokines c. a type III hypersensitivity reaction will result d. mast cells, basophils, and eosinophils will not be activated e. a delayed-type hypersensitivity reaction is required to eradicate the infection.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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If B cells making high-affinity IgG4 are unable to switch to IgE at a late stage in the germinal center reaction during a helminth infection, then _____. (Select all that apply.)
|
a. a chronic infection will ensue |
b. IgG4 will activate macrophages to secrete inflammatory cytokines |
c. a type III hypersensitivity reaction will result |
d. mast cells, basophils, and eosinophils will not be activated |
e. a delayed-type hypersensitivity reaction is required to eradicate the infection. |
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