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A&P Ch21
Cardiovascular System: The Blood
| Question | Answer |
|---|---|
| List 3 major functions of the blood: | Transportation of nutrients, Protection against disease infection, Transportation of heat |
| List 4 components of blood: | Platelets, Formed elements, red blood cells, and white blood cells |
| The hematocrit is composed of | Red blood cells |
| Which of the plasma proteins plays a role in disease resistance? | Globulins |
| Which hormone stimulates proliferation of red blood cells in red bone marrow? | EPO |
| What is the alternate name for white blood cells? | Leukocytes |
| What destroys antigen-antibody complexes? | Eosinophil |
| What is a agranular leukocyte? | Lymphocyte |
| What provides immune responses? | Lymphocyte |
| How many surface antigens on red blood cells is the ABO blood group based on? | 2 |
| If a persons RBCs display antigen A, what blood type are they? | Type A |
| If a persons RBCs display antigens A and B, what antibodies are circulating in their blood? | No antibodies |
| What is the normal average temperature of blood? | 100.4OF or 38C |
| What is the normal pH range for blood? | 7.35-7.45 |
| What is the approximate percentage of water in blood plasma? | 0.91 |
| What plasma proteins plays a role in blood clotting? | Fibrinogens |
| What does an hematocrit measure? | Percentage of RBC in packed blood |
| What is the process by which formed elements of the blood develop? | Hemopoiesis |
| During hemopoiesis, the myeloid stem cells differentiate into which cells? | All blood cells except lymphocytes |
| What is the primary function of a red blood cell? | Gas transport |
| What is the name of a red blood cell that has just ejected its nucleus? | Reticulocyte |
| What is a decrease in the normal oxygen delivering capacity of blood called? | Anemia |
| Which of the following is a wandering phagocyte in infected tissue? | Macrophage |
| Which of the following reduces blood loss? | Platelet |
| Which blood cells are involved in inflammation and allergic reactions? | Basophil |
| Describe the stages of hemostasis? | Platelet plug formation, vascular spasm, clotting |
| What element is involved in blood clotting? | Calcium |
| Once this is formed, the intrinsic and extrinsic pathways are identical. | Prothrombinase |
| If a persons RBCs display antigen A, what antibodies are circulating in their blood? | Anti B antibodies |
| If a persons RBCs are classified as Type O, what antibodies are circulating in their blood? | Anti A and anti B antibodies |
| Considering Rh blood types, what would result in maternal antibodies attacking the fetus? | Mom is Rh negative and fetus is Rh positive |