Lymphocytes are activated by antigen in the bone marrow liver lymph nodes blood stream TRUE ANSWER : ? YOUR ANSWER : ?
Very low doses of antigen may induce immunological ignorance low zone tolerance low zone immunity hypersensitivity TRUE ANSWER : ? YOUR ANSWER : ?
CD antigens are each expressed on only one cell type function as receptors for cytokine and CAMs allow leukocytes to recognize antigen are expressed on immune cells to mark them for separation TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is incorrect with regard to antigen epitopes? A protein molecule usually contains multiple epitopes An epitope may be shared by two different antigens Epitopes may be linear or assembled B cells bind only processed antigen epitopes TRUE ANSWER : ? YOUR ANSWER : ?
Antigen, when injected in the body activates its specific lymphocytes in the spleen lymphoid tissue draining lymph nodes MALT (mucosa associated blood circulation TRUE ANSWER : ? YOUR ANSWER : ?
The antibiotic penicillin is a small molecule that does not induce antibody formation. However, penicillin binds to serum proteins and forms a complex that in some people induces antibody formation resulting in an allergic reaction. Penicillin is therefore a hapten an immunogen both an antigen and a hapten an antigen TRUE ANSWER : ? YOUR ANSWER : ?
For specific antigen recognition by T cells, antigen exposure during T cell maturation is required MHC molecules are not required antigen is bound by a T cell membrane antibody denaturation of antigen does not reduce epitope recognition TRUE ANSWER : ? YOUR ANSWER : ?
A molecule that can be covalently linked to a non-immunogenic antigen to make it an immunogen is called a (n) adjuvant carrier hapten mitogen TRUE ANSWER : ? YOUR ANSWER : ?
A virus vaccine that can activate cytotoxic T cells must contain virus peptides a high dose of virus particles live virus an adjuvant to stimulate T cell division TRUE ANSWER : ? YOUR ANSWER : ?
A pathogen can be a (n) agent that causes a disease All of these bacteria virus TRUE ANSWER : ? YOUR ANSWER : ?