9. Which receptor binds to immunoglobulin E and mediates mast cell degranulation in type I
bypersensitivity reactions?
(A) Fc epsilon RI (FceRI
(B) Complement receptor
(C) Cluster of differentiation 5a
(D) Peptide-major histocompatibility complex class II (pMHCII)
(E) T-cell antigen receptors