An antigen is described as a substance that a. stimulates antibody formation. b. has the ability to bind to an antibody. c. is capable of stimulating an
... [Show More] immune response. d. All of the above.Antigens and Antibodies Turgeon: Evolve Resources for Immunology & Serology in Laboratory Medicine, 6th EditionCellular antigens of importance to immunologists include a. histocompatibility antigens. b. autoantigens. c. blood group antigens. d. All of the above.Another name for the major histocompatibility complex (MHC) in humans is a. human leukocyte antigen. b. allogenic antigens. c. epitopes. d. autoantigenHaptens are characterized as being BIOL MISC TEST BANK FOR IMMUNOLOGY AND SEROLOGY IN LABORATORY MEDICINE 6TH EDITION BY TURGEON a. able to react directly with an antibody. b. a large molecule. c. antigenic when coupled to a carrier molecule. d. a member of the lipid class of biochemicalsAntibodies are a. proteins. b. glycoproteins. c. carbohydrates. d. lipidsThe primary function of an antibody in body defenses is to a. combine with antigen. b. contribute to secretions. c. promote phagocytosis. d. Either A or B.The number of individual heavy chains found in a molecule of IgM is a. four. b. five. c. ten. d. twelve.Which immunoglobulin (Ig) class is the first to be manifested after antigen exposure? a. IgM b. IgG c. IgD d. IgAWhich immunoglobulin (Ig) class is produced in the highest concentration in a secondary (anamnestic) response? a. IgM b. IgG c. IgD d. IgETears, saliva, and other body secretions typically contain a. IgM. b. IgG. c. IgD. d. IgA.Which of the following is a characteristic of IgD? a. Destruction of cellular parasites b. Complement fixation c. Natural body defense in body fluids (e.g., tears, saliva) d. Extremely susceptible to proteolysisIgE 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.Which region determines the class of an immunoglobulin molecule? a. VH b. VL c. CH d. CL [Show Less]