IgG-coated RBCs will be phagocytized by what effector cells

IgG-coated RBCs will be phagocytized by what effector cells?
a.Monocytes/macrophages   
b.T cells
c.Eosinophils
d.Basophils

Which of the following statements is true concerning immunoglobulin variations?
a.   Allotypic variations occur primarily in the variable region.
b.   Isotypic refers to all members of a species.
c.   Idiotypic variation occurs in the constant region.
d.   Isotypic variation is associated with organ transplantation and paternity testing.


What is the purpose of the antihuman globulin (AHG) test in blood banking?
a.   It detects red blood cells coated with antibody by bridging the gap between red blood cells.
b.   It detects white blood cells coated with antibody by bridging the gap between red blood cells.
c.   It detects red blood cells coated with antigen.
d.   All of the above