When transfusing an individual with blood that is compatible but not the same type, it is important to separate packed cells from the plasma and administer only the packed cells. Why do you think this is done? (Hint: think about what is in plasma versus what is o RBCs)

3. Figure 10-1 depicts in incomplete form the erythropoietin mechanism for regu- lating the rate of erythropoiesis. Complete the statements that have answer blanks, and then choose colors (other than yellow) for the color-coding circles and corresponding structures on the diagram. Color all arrows on the diagram yellow. Finally, indicate the normal life span of erythrocytes. Kidney Red bone marrow O RBCS Chapter 10 Blood 169 Normal blood O, levels Stimulus: Decreased available to blood due to decreased RBC count or increased tissue demands for O, Incroased carrying ability of blood Resulting in Increased Declining levels in blood Resulting in Which acts on Releases to blood Figure 10-1

In the lab exercise for activity 3, #2, a cross between XHX and XHY will generate % hemophiliac females. % hemophiliac males and 0% hemophiliac males, 25% hemophiliac females 50% hemophiliac males, 50% hemophiliac females 25% hemophiliac males, 0% hemophiliac females 25% hemophiliac males, 25% hemophiliac females

D. ABO and Rh Blood Typing Name the antigens present on the RBCs and the antibodies present in plasma of each blood type. A Antigens on RBCs Antibodies in Plasma B AB Based on what you know about antigens and antibodies, what blood type is the universal donor? Explain. What blood type is the universal recipient? Explain. E. Hematocrit . Define hematocrit. What is the anticoagulant used in this type of blood test? Ron has a hematocrit of 47%. Is this within the normal range? (yes/no) Janey has a hematocrit of 58%. Is this within the normal range? (yes/no) F. Hemoglobin Content and Coagulation Time . Do the hematocrit and hemoglobin content of blood measure the same thing? What is the importance of coagulation time? Would a hemophiliac have an above or below normal coagulation time? Explain.