Microbiology: Principles and Explorations 9th Edition

Published by Wiley
ISBN 10: 1-11874-316-4
ISBN 13: 978-1-11874-316-4

Chapter 17 - Basic Principles of Adaptive Immunity and Immunization - Self Quiz - Page 537: 7


(d) IgG (e) IgA (c) IgM (a) IgE (b) IgD

Work Step by Step

The following are the classes of antibodies or immunoglobubins with their definition: IgG- The main antibody class that attaches to microbes with their antigen-binding sites and phagocytic cells through their tissue-binding sites, allowing engulfment of the microbe by the phagocytic cell IgA- Occurs in large amounts in body secretions of the respiratory, digestive, and genitourinary systems where it prevents microbes from invading tissues IgM-Secreted as a pentamer, it is the first antibody secreted during the early stages of a primary response and is the antibody of the inherited ABO blood types IgE- The “allergy” antibody that attaches to basophils and mast cells with their tissue-binding sites that in turn cause them to release substances that produce allergy symptoms when allergens such as pollen or certain foods are encountered IgD- It is rarely secreted, being found mainly on B cell membranes, and its function is unknown.
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