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Exam (elaborations)
Bios 255 - Chapter 22 Exams Questions And Answers
BIOS 255 - CHAPTER 22 
 
What are the different types of antibodies? - Answer- - IgG 
- IgA 
- IgM 
- IgE 
- IgD 
 
IgG - Answer- - most abundant 
- increases the most during a second infection by pathogen that host has immunity to 
 
IgA - Answer- - mucosal immunity 
 
IgM - Answer- - first antibody produced in response to an antigen 
- produced as pentamers 
- activates complement 
 
IgE - Answer- - Involved with allergic reactions and parasitic infections 
 
IgD - Answer- - activates B cells ...