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Unformatted text preview: Name:________________________________ Signature:_____________________________ BIOL 1720 Summer 2003 Exam III 1. The primary organs for regulating ion/water levels in insects are the: a. nephrons. b. collecting tubules. c. Malpighian tubules. d. nephrostomes. e. convoluted tubules. 2. You have been exposed to diphtheria toxin several years ago as a result of a childhood immunization. You now travel to Central America and become infected with C. Diphtheriae. Before the infection becomes significant in magnitude your B cells begin to make antibodies to fight off the effects of the toxin. These antibodies will most likely be: a. IgA. b. IgD. c. IgE. d. IgG e. IgM. 3. In the case of humans, fertilization of the egg most commonly occurs: a. in the fallopian tube. b. in the vagina. c. in the uturus. d. at the point of release from the ovary. e. when you least expect it. 4. A class of white blood cells which is well known for its phagocytic activities would be: a. macrophage. b. B cells. c. T cells. d. natural killer cells. e. plasma cells. 5. Which of the following is/are not part of series of cell types leading directly to the formation of a mature sperm cell and are best described as support cells to the process? a. primary spermatocyte b. sertoli cell c. spermatid d. secondary spermatocyte. e. All of the above are in the direct developmental line leading to the mature sperm cell and none are support cells. 6. You are undergoing a localized, nonspecific response to infection that involves the release of histamines and/or prostaglandins. This is likely to be an example of: a. the humoral immune response. b. the T cell-mediated response. c. the inflammatory response. d. a primary immune response. e. secondary immune response. 7. A person obtains antibodies from another individual. This is an example of: a. a secondary response. b. immunization. c. vaccination. d. active immunity. e. passive immunity. 8. Your immune system should not respond to surface antigens on the cells of your body, but would attack cells from a transplanted organ with foreign antigens on their surfaces. This acceptance of your own cells as self is called: a. autoimmunity. b. clonal selection. c. a primary response. d. immunological tolerance. e. self preservation. 9. The glomerulus is: a. the portion of the spleen where T cells are produced. b. a ball of capillaries. c. involved in regulating body temperature in mammals. d. the portion of the ovary from which the egg erupts....
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This note was uploaded on 04/15/2011 for the course BIOL 1720 taught by Professor Jagadeeswaran during the Spring '08 term at North Texas.
- Spring '08