18. In order for specific T cell immunity to function, A the antigen must be pre
ID: 3520561 • Letter: 1
Question
18. In order for specific T cell immunity to function, A the antigen must be presented by an MHC protein. B. the antibody must be presented by an MHC protein. C antibodies must be produced in great numbers. D. suppressor T cells must become active first. A. Specificity B. Versatility. C. Memory. D. Tolerance 20. Cells that attack foreign material in cells or foreign cells are 19. A person suffering from an autoimmune disease has partially lost which property of D. helper T cells B. C. cytotoxic T cells. antibodies. B cells. 21. Phagocytosis and increased lymphocyte production A, occurs in lymph nodes and the spleen in the presence of abnormal cells or infectiom B will only occur in the lymph nodes when they need to filter the lymph. ?. will only occur in the spleen when it needs to filter the blood D are examples of nonspecific defenses. 22. When an antibody attaches to an antigen, A. the binding sites on the antigen can be blocked. preventing it from attaching to and invading a target cell B. the complex can stimulate basophils and mast cells to cause an inflammatory C the coplencnbecome so large that it precipitates out of the plasma, thereby rendering the antigens ineffective D. All of the above can happen. 23. Lymphatic capillaries A. receive blood from blood capillaries. B. originate as blind pockets near blood capillaries. C. collect approximately 3.6 L of interstitial fluid a day. D. All of the above are correct. E. B and C are correct. 24. Activated B cells produce plasma cells that are spccialized because they A. produce helper T cells. B. produce NK cells. C. produce memory B cells. D. produce and secrete antibodies. 25. Of the following, which one includes only nonspecific defenses? A. T and B-cell activation, complement, inflammation. B. Antibodies, integumentary system, fever. C. Fever, complement, macrophages. D. NK cells, T cells, B cells. 26. Extra credit: A person suffering from HIV (the virus that causes AIDS) will exhibit A. a loss of specific immunity, with non-specific defenses as the only remaining actions against invaders. B. a lack of suppression of T and B cell activity by suppressor T cells. C. less activation of B cells. D. less coding for CD8 markers.Explanation / Answer
18. in order for specific T cell immunity to function
The antigen must be presented by an MHC protein.
19. a person suffering from an autoimmune disease has partially lost which property of immunity?
Tolerance
20. cells that attack foreign material in cells or foreign cells are
Cytotoxic T-cells
21. phagocytosis and increased lymphocyte production
Are examples of non-specific defenses
22. when an antibody attaches to an antigen
All of the above
23. lymphatic capillaries
Originate as blind pockets near blood capillaries and collect approximately 3.6 L of interstitial fluid a day.
24. plasma cells produce and secrete antibodies.
25. non-specific defenses include fever, complement, macrophages.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.