NESTER'S MICROBIOLOGY (LOOSE) >CUSTOM<
8th Edition
ISBN: 9781259823954
Author: Anderson
Publisher: MCG CUSTOM
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Textbook Question
Chapter 17, Problem 3MC
Repeated injections of very small amounts of antigen are an effective therapy for combating allergies because
a) IgG production is stimulated; the IgG outcompetes IgE for the antigen.
b) IgG binds to mast cells before IgE can do so.
c) repeated exposure will cause production of IgE to decrease.
d) antigen binds to mast cells and prevents their degranulation.
e) repeated exposure to antigen prevents the production of histamine.
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Delayed-type hypersensitivity reactions in the skina) are characterized by a wheal and flare reaction.b) peak at 4 to 6 hours after exposure to antigen.c) require complement activation.d) show induration because of the influx of sensitized T cells and macrophages.e) depend on activities of the Fc portion of antibodies.
.A table comparing the biological characteristics of the five classes of immunoglobulins is shown
below. Answer yes or no in the spaces provided, (You can draw the table in your answer paper)
IgE IgD
Biological activity
a) Activates classical complement pathway
b) Present on the membrane of the mature B
cells
c) Present in secretions
d) Induces mast-cell degranulation
e) Crosses placenta
IgG
IgA
IgM
A deficiency of both B cells and T cells is most likely a(n)...
a)secondary immunodeficiency
b)complex immunodeficiency
c)acquired immunodeficiency
d)primary immunodeficiency
e)induced immunodeficiency
Chapter 17 Solutions
NESTER'S MICROBIOLOGY (LOOSE) >CUSTOM<
Ch. 17 - Why are antihistamines useful for treating many...Ch. 17 - List two physical responses of systemic...Ch. 17 -
3. What are the major differences between an...Ch. 17 -
4. Compare and contrast the Arthus reaction and...Ch. 17 - Prob. 5SACh. 17 -
6. Compare and contrast the autoimmune processes...Ch. 17 - Give an example of an organ-specific autoimmune...Ch. 17 - Explain why a patient who received a successful...Ch. 17 - Why does an IgA deficiency predispose a person to...Ch. 17 -
10. What is the difference between a primary...
Ch. 17 - An IgE-mediated allergic reaction a) reaches a...Ch. 17 - Prob. 2MCCh. 17 - Repeated injections of very small amounts of...Ch. 17 - Prob. 4MCCh. 17 - Prob. 5MCCh. 17 - Prob. 6MCCh. 17 - Prob. 7MCCh. 17 - Prob. 8MCCh. 17 - Prob. 9MCCh. 17 - Prob. 10MCCh. 17 - Jack and Jill were badly burned in an accident at...Ch. 17 - Horse serum containing specific antibody to snake...Ch. 17 - Prob. 1CTCh. 17 - Prob. 2CT
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