Podcast
Questions and Answers
Which class of antibodies accounts for 80% of all antibodies?
Which class of antibodies accounts for 80% of all antibodies?
What type of immunity does maternal IgG provide to the fetus during embryonic development?
What type of immunity does maternal IgG provide to the fetus during embryonic development?
Which antibodies cause hemolytic disease of the newborn in Rh-negative mothers?
Which antibodies cause hemolytic disease of the newborn in Rh-negative mothers?
What is the role of IgE in allergic responses?
What is the role of IgE in allergic responses?
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Which class of antibody is found on the surfaces of B cells and can bind antigens, sensitizing the B cell involved?
Which class of antibody is found on the surfaces of B cells and can bind antigens, sensitizing the B cell involved?
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What is the first class of antibody secreted after encountering an antigen?
What is the first class of antibody secreted after encountering an antigen?
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Which antibodies are responsible for agglutination of incompatible blood types?
Which antibodies are responsible for agglutination of incompatible blood types?
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Where is IgA primarily found?
Where is IgA primarily found?
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What do epithelial cells do to IgA before secreting it onto the epithelial surface?
What do epithelial cells do to IgA before secreting it onto the epithelial surface?
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Which class of antibodies provides resistance against viruses, bacteria, and bacterial toxins?
Which class of antibodies provides resistance against viruses, bacteria, and bacterial toxins?
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What is the main function of IgA?
What is the main function of IgA?
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Which antibodies attach to basophils and mast cells, causing inflammation and playing a role in allergic responses?
Which antibodies attach to basophils and mast cells, causing inflammation and playing a role in allergic responses?
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Study Notes
- IgG is the largest and most diverse class of antibodies, accounting for 80% of all antibodies
- IgG antibodies provide resistance against viruses, bacteria, and bacterial toxins
- Maternal IgG provides passive immunity to the fetus during embryonic development
- Anti-Rh antibodies produced by Rh-negative mothers are also IgG antibodies and cause hemolytic disease of the newborn
- IgE attaches to basophils and mast cells, causing inflammation and playing a role in allergic responses
- IgD is found on the surfaces of B cells and can bind antigens, sensitizing the B cell involved
- IgM is the first class of antibody secreted after encountering an antigen and can attack bacteria insensitive to IgG
- Anti-A and anti-B antibodies responsible for agglutination of incompatible blood types are IgM antibodies
- IgA is primarily found in glandular secretions and attacks pathogens before they gain access to internal tissues
- Epithelial cells absorb IgA from the blood and attach a secretory piece before secreting it onto the epithelial surface.
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