vc a&p study guide Word Scramble
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Question | Answer |
What are three functions of the blood? | transports, protects against excessive bleeding, regulates temp |
What are the physical characteristics of blood? | bright/dk red, thick viscosity |
What is the composition of blood plasma? | 90% Water and 8% protein |
What are 4 different kinds of substances transported in the blood plasma? | proteins, ions, nutrients, waste products, gases and hormones |
What is the precursor cell of all blood cells? | Stem cells (hemocytoblast) |
State the function of erythrocytes. | transport of O2 and CO2, |
Hematocrit | volume % of blood cells in whole blood; packed cell volume. |
leukocytosis | Too many leukocytes |
monocytes | Become macrophages and phagocytize dead tissue |
lymphocyte | Produce antibodies |
Eosinophils | Detoxify foreign proteins |
Phagocytize pathogens | neutrophils |
Contain the anticoagulant heparin | Basophils |
Recognize antigens as foreign | T lymphocytes |
Secretes histamine during inflammation | Basophils |
What are the different types of blood? | Type A, B, AB, O |
What determines the blood type? | antigen |
Explain what happens if a person with type O positive receives blood from a person with type A negative. | the body will reject and start clotting |
What are the 3 mechanisms of blood clotting and describe each? | Vascular spasm, Platelet plug, Chemical Clotting |
With respect to chemical blood clotting/name the organ that produces many of the clotting factors. | Liver |
With respect to chemical blood clotting/name the vitamin necessary for Prothrombin synthesis. | Vitamin K |
With respect to chemical blood clotting/state what the clot itself is made of. | fibren |
Define Vitamin K | Helps body to make prothrombin |
Define Thrombus | stationary blood clot |
Define embolus | moving clot |
Define hemophilia | Doesn't have a clotting factor |
Define anticoagulant | prevents blood from clotting |
Define clotting | fibren form together |
Total blood volume | Blood volume 4-6 Liters Plasma 55%, Formed Elements-45% |
Polycythemia | too many red blood cells |
Anemia | too few red blood cells |
Type of cells in the formed elements? | Formed Elements, Plasma-3rd major fluid-55%, Formed Elements-blood cells-45% Formed Elements-Erythrocytes (RBC), Thrombocytes (platelets), Luekocytes (WBC) |
Hemoglobin | iron containing protein in red blood cells responsible for O2 carrying |
leukopenia | too few blood cells |
albumin | holds water |
globulin | antibodies |
3 mechanisms of blood clotting | vascular spasm, platelet plug, chemical clotting |
descriptions of: vascular spasm platelet plug chemical clotting | injury stop the flow of blood to tissue release of prothrombin |
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