Immune System CFE LATEST DETAILED QUIZ

Plasma cells ANSWER- A fully differentiated B cell that produces a single type of antibody. Right lymphatic duct ANSWER- One of the two terminal lymphatic vessels, formed by the union of the right jugular lymphatic vessel and vessels from the lymph nodes of the right upper extremity, thoracic wall, and both lungs; lying on the right side of the root of the neck and emptying into the right brachiocephalic vein. Self-antigens ANSWER- Any molecule or chemical group of an organism which acts as an antigen in inducing antibody formation in another organism but to which the healthy immune system of the parent organism is tolerant. Specific immune response ANSWER- The immune system is the third line of defense. It consists of mechanisms and agents that target specific antigens. Spleen ANSWER- Organ involved in the production and removal of blood cells in most vertebrates and forming part of the immune system Suppressor T-cell ANSWER- act to inhibit T and B cell activities Thoracic duct ANSWER- The main vessel of the lymphatic system, passing upward in front of the spine and draining into the left innominate vein near the base of the neck. Thymus gland ANSWER- A lymphoid organ situated in the neck of vertebrates that produces T cells for the immune system. T-lymphocytes ANSWER- A type of lymphocyte (a subtype of white blood cell) that play a central role in cell-mediated immunity. They can be distinguished from other lymphocytes, such as B cells and natural killer cells, by the presence of a T-cell receptor on the cell surface. Tonsils ANSWER- Either of two small masses of lymphoid tissue in the throat, one on each side of the root of the tongue.