Immunoglobulins that are the first antibody type to be produced and secreted, following initial exposure to an antigen, are the ________ antibodies.
Immunoglobulins that can bind to antigens, stimulating basophils and mast cells, are called ________ antibodies.
After receiving a blood transfusion, a patient develops signs indicating a cross reaction between incompatible blood types. Which class of immunoglobulins is responsible for these signs?
Besides suppressor T cells, some ________ also help suppress immune function and shorten the duration of the immune response.