In a type I hypersensitivity reaction the primary immunologic disorder appears to be a. binding of IgG to an antigen on a cell surface. b. deposit of antigen-antibody complexes in small vessels. c....

In a type I hypersensitivity reaction the primary immunologic disorder appears to be

a. binding of IgG to an antigen on a cell surface.

b. deposit of antigen-antibody complexes in small vessels.

c. release of cytokines used to interact with specific antigens.

d. release of chemical mediators from IgE-bound mast cells and basophils.