old exam 4

old exam 4 - 1.Which one of the following would you expect...

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1.   Which one of the following would you expect to see in elevated numbers in a blood sample taken after donating a unit of blood to the Red Cross? a. platelets b. neutrophils c. lymphocytes d. reticulocytes e. erythrocytes 2. Which one of the following conditions would not cause a rise in the level of erythropoietin in the blood? a. anemia b. hemorrhage c. living at high altitude d. dietary iron deficiency e. increased blood flow to the kidneys 3. Which one of the following best describes how hypocalcemia would affect hemostasis? a. Coagulation would proceed more slowly. b. Conversion of fibrinogen to fibrin would be impaired. c. Conversion of plasminogen to plasmin would be impaired. d. The intrinsic pathway would be stimulated, but not the extrinsic pathway. 4. In what ways is blood clotting an example of a system that involves positive feedback? Given  that it does involve positive feedback, what stops the process of clotting? Note: Your answer  should be given in general terms. It is not necessary to describe specific factors, reactions, or 
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pathways. Also, the answer should not involve mechanisms for dissolving clots once they have  formed. 5. Indicate whether each of the following statements is true or false. a. Dendritic cells and mast cells are primarily found in the blood. b. Stomach acid and acidic urine help defend the body against bacterial infection. c. Bacterial endotoxin is a pyrogen.
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This note was uploaded on 02/28/2011 for the course BISC 307 taught by Professor Herrera during the Spring '08 term at USC.

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old exam 4 - 1.Which one of the following would you expect...

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