A patient has many allergic reactions. As part of the treatmentscheme, doctors try to identify the allergen that stimulates theimmune system’s response. A series of solutions, each containing anallergen that commonly causes a reaction, is composed. Each solution is injected into the skin at different locations on the patient’sback. The following results are obtained: (a) At one location, theinjection site becomes red and swollen within a few minutes;(b) at another injection site, swelling and redness appear 2 dayslater; and (c) no redness or swelling develops at the other sites.Explain what happened for each observation by describing whatpart of the immune system was involved and what caused the redness and swelling.
A patient has many allergic reactions. As part of the treatmentscheme, doctors try to identify the allergen that stimulates theimmune system’s response. A series of solutions, each containing anallergen that commonly causes a reaction, is composed. Each solution is injected into the skin at different locations on the patient’sback. The following results are obtained: (a) At one location, theinjection site becomes red and swollen within a few minutes;(b) at another injection site, swelling and redness appear 2 dayslater; and (c) no redness or swelling develops at the other sites.Explain what happened for each observation by describing whatpart of the immune system was involved and what caused the redness and swelling.
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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Question
A patient has many allergic reactions. As part of the treatment
scheme, doctors try to identify the allergen that stimulates the
immune system’s response. A series of solutions, each containing an
allergen that commonly causes a reaction, is composed. Each solution is injected into the skin at different locations on the patient’s
back. The following results are obtained: (a) At one location, the
injection site becomes red and swollen within a few minutes;
(b) at another injection site, swelling and redness appear 2 days
later; and (c) no redness or swelling develops at the other sites.
Explain what happened for each observation by describing what
part of the immune system was involved and what caused the redness and swelling.
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