← Ch. 19 Test
5 Written Questions
5 Matching Questions
- Carbonic acid
- Prothrombin time measurement
- Hematopoiesis or hemopoiesis
- a how long it takes for blood to start clotting, usually 9-12 seconds
- b Made by combination of carbon dioxide and water, which is catalyzed by the enzyme carbonic anhydrase. The reversible association -dissociation of hydrogen from carbonic acid is part of the mechanism for regulating the pH of blood. When hydrogen dissociates from carbonic acid it lowers the pH and leaves behind a bicarbonate ion. When it re-associates it raises the pH and becomes carbonic acid.
- c deficiency of hemoglobin the blood, results from decrease in RBC, decrease in hemoglobin in each RBC or both.
- d Carbon dioxide transported by blood proteins in the form of hemoglobin
- e Process of blood cell production
5 Multiple Choice Questions
- 4% Responsible for formation of blood clots. (also platelets)
- type A blood has type A antigens and Anti-B antibodies. Type B blood has type B antigens and Anti-A antibodies. Type AB has A and B antigens and no antibodies. Type O has no antigens and both A and B antibodies
- AB negative
- protein produced and secreted by blood vessel endothelial cells, forms a bridge between collagen and platelets by binding platelet surface receptors and collagen
- transfer of blood or blood components from one individual to another
5 True/False Questions
Oxyhemoglobin → Transport of gases by oxygenated hemoglobin. 98.5% of the oxygen carried to various tissues of the body is carried by hemoglobin. The remaining 1.5% is dissolved in the fluid portion of blood. Fetal hemoglobin has a greater affinity for oxygen than adult hemoglobin.
Red blood count (RBC) → total number of white blood cells in blood. Leukopenia is lower than normal, Leukocytosis is abnormally high WBC, Leukemia (cancer of red marrow) results in leukocytosis
Lymphocytes → Become macrophages
Erythrocytes → Red Blood Cells. Biconcave, anucleate. Made up of Hemoglobin, lipids, ATP, and carbonic anhydrase. Transport oxygen from lungs to tissues and carbon dioxide from tissues to lungs
Vascular spasm → immediate but temporary constriction of blood vessel resulting form contraction of smooth muscle within the wall of the vessel