IgE Is an Important Immunoglobulin Because It

Multiple Choice

IgE is an important immunoglobulin because it

A) mediates some types of hypersensitivity (allergic) reactions.
B) is generally responsible for an individual's immunity to invading parasites.
C) binds strongly to a receptor on mast cells and basophils and, with antigen, mediates the release of histamines and heparin from these cells.
D) All of the above.