1. Production of all the formed elements of the blood is called _______________.

2. The percentage of the blood volume composed of RBCs is called the _______________.

3. The extrinsic pathway of blood clotting is activated by tissue _______________ from damaged perivascular tissues.

4. The erythrocyte antigens that determine transfusion compatibility are called _______________.

5. The hereditary lack of factor VIII causes a disease called _______________.

6. The cessation of bleeding, due to a combination of mechanisms, is called _______________.

7. _______________ results from a mutation that changes one amino acid in adult hemoglobin.

8. An excessive RBC count is called _______________.

9. Intrinsic factor enables the intestine to absorb _______________.

10. The kidney hormone that stimulates red blood cell formation is called _______________.

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