118exam3-fall05 - Biology 118 Fall 2005 Nov 9 2005 EXAM 3...

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Biology 118 - Fall 2005 Nov. 9, 2005 EXAM 3 - VERSION A ..) on your answer sheet. You can keep this list of exam questions. You may write on it if you wish. This form will be the only way you will know what answers you marked on the scantron. Each question has only 1 correct answer. Indicate your choice on the answer sheet - scantron. If you are stumped by a question, place a mark by it, and return to it later. antibody = gamma globulin NK cell = natural killer cell B or T cell = B or T lymphocyte neutrophil = microphage EPO = erythropoietin platelets = thrombocytes interleukins = cytokines RBCs = red blood cells = erythrocytes killer T cell = cytotoxic T cell TPO = thrombopoietin macrophage = monocyte WBCs = white blood cells = leukocytes 1. Albumins are plasma proteins that may be used to transport _______ in the blood. a. Vitamin B 12 b. pathogens c. WBCs d. Vitamin K 2. Which event can stimulate RBC production so much that the % of RBCs in blood is higher than normal? a. Regular aerobic exercise b. Living at 12,000 ‘ elevation c. Frequent deep sea diving d. Regular anaerobic exercise 3. The hemocytoblasts found in red bone marrow are the primary stem cell for ________. a. WBCs b. RBCs c. platelets d. all of these 4. Which food is rich in Vitamin B 12 ? a. spinach b. oranges c. eggs d. sodas 5. Jaundice occurs when abnormally high levels of _______ build up in plasma. This substance can be toxic to _______ cells. a. iron - muscle b. Vitamin D - brain c. interleukins - muscle d. bilirubin - brain 6. Higher than normal hematocrit (% of RBCs) can lead to an increase in __________. a. blood flow b. blood viscosity c. iron overload d. sickled RBCs 7. Damage to the ________ can lead to anemia because of a lack of the hormone _______. a. spleen - EPO b. kidney - EPO c. liver - TPO d. thymus - TPO 8. Which cellular organelle becomes greatly enlarged in a megakaryocyte prior to the formation of platelets? a. rough ER b. nucleus c. lysosomes d. centrioles
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9. Which substance acts as an additional catalyst in many of the steps of the enzyme cascade leading to a blood clot? a. Sodium (Na + ) b. Vitamin E c. Calcium (Ca +2 ) d. Iron (Fe +2 ) 10. Which blood problem may be the result of a lack of Vitamin K? a.
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118exam3-fall05 - Biology 118 Fall 2005 Nov 9 2005 EXAM 3...

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