Chapter 15, Problem 8RA

Mast cell secretion during an immediate hypersensitivity reaction is stimulated when antigens combine with

$\begin{array}{l}\text{a}\text{. IgG antibodies}\text{.}\hfill \\ \text{b}\text{. IgE antibodies}\text{.}\hfill \\ \text{c}\text{. IgM antibodies}\text{.}\hfill \\ \text{d}\text{. IgA antibodies}\text{.}\hfill \end{array}$