Question

Which class of antibody is found in mucus? a. IgM b. IgA c. $\operatorname{Ig} E$ d. $\operatorname{IgD}$

Name: Problem 23, Chapter 21: Anatomy & Physiology
Uploaded: 2020-07-09T05:56:53-08:00
Duration: 41 s
Channel: Courtney Burson
Description: Which class of antibody is found in mucus? a. IgM b. IgA c. Ig E d. IgD

   Which class of antibody is found in mucus?
a. IgM
b. IgA
c. $\operatorname{Ig} E$
d. $\operatorname{IgD}$

Anatomy & Physiology

J. Gordon Betts,… 1st Edition

Chapter 21, Problem 23

Instant Answer

Solved by Expert Courtney Burson

07/09/2020

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There are five different classes of antibodies: IgM, IgA, IgE, IgD, and IgG. Show more…

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Which class of antibody is found in mucus? a. IgM b. IgA c. $\operatorname{Ig} E$ d. $\operatorname{IgD}$

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Key Concepts

IgA

IgA is a key immunoglobulin isotype involved in mucosal immunity. It is predominantly found in secretions such as mucus, tears, and saliva, where it plays a crucial role in protecting mucosal surfaces by neutralizing pathogens and preventing their entry into the body.

Immunoglobulin Isotypes

The various classes of immunoglobulins, including IgA, IgM, IgE, IgD, and IgG, have distinct functions and structural differences. Each isotype contributes uniquely to the immune response, with IgA being especially important in the immunity of mucosal surfaces.

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