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Definition
Oxgyen-rich is scarlet red Oxgyen-poor is dull red |
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is an excessive or abnormal increase in the number of erythrocytes |
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What are clotting proteins? |
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Definition
They help to stem blood loss when a blood vessel is injured |
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What is the pH of blood and temp? |
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Definition
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What percentage is plasma in the blood? |
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Definition
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Definition
Nutrients, salts (electrolytes), Respiratory gasses, Hormones, Plasma Proteins, Waste Products and 90% water |
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Definition
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Definition
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What makes up the plasma proteins? |
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Definition
Albumin Clotting Proteins Antibodies |
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Definition
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What do B lymphocytes produce? |
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Definition
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Definition
It regulates osmotic pressure |
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Definition
They help protect the body from pathogens |
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What is Sickle Cell Amenia (SCA) |
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Definition
results from abnormally shaped hemoglobin |
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Term
What are erythrocytes main function? |
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Definition
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What is the anatomy of circulating RBCS? |
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Definition
Biconcave disks Bags of hemoglobin Anucleate (no nucleus) Contain very few organelles |
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Definition
A granulocyte that's function is to kill parasitic worms and play a role in allergy attacks |
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Definition
Iron-Containing protein, binds strongly to oxygen |
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Definition
a decrease in the oxygen-carrying ability of the blood |
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Definition
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Definition
Agranulocytes that function as part of the immune response |
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What may cause polycythemia> |
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Definition
Bone marrow cancer (polycythemia vera) Living in a higher altitude |
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What does polycythemia result in? |
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Definition
Increased RBC slows blood flow and increases blood viscosity |
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Term
What is leukocytes function? |
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Definition
Crucial in the body's defense against disease |
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Term
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Definition
The ability to move into and out of blood vessels |
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What do leukocytes respond to? |
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Definition
Chemicals released by damaged tissues |
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Term
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Definition
Generally indicates infection, WBC is elevated above 11,000 |
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Term
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Definition
They are derived from ruptured multinucleate cells, needed for the clotting process |
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Definition
Commonly caused by certain drugs (corticosteroids, and anticancer agents), abnormally low leukocyte level |
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Definition
Bone marrow becomes cancerous, turns out excess WBC |
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Term
What are the WBC's formed elements from most to least abundant? |
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Definition
Neutrophils Lymphocytes Monocytes Eosinophils Basophils |
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Term
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Definition
They are a granulocyte that functions as phagocytes at active sites of infection, number increase during infection |
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Term
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Definition
A granulocyte that's function is to release histamine at sites of inflammation, contains heparin (anticoagulant) |
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What is the volume and percent in typical person? |
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Definition
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Definition
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What do T lymphocytes produce? |
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Definition
Involved in graft rejection, fighting tumors and viruses |
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Definition
Agranulocytes that are the largest of the WBCs, function as macrophages important in fighting chronic infection |
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Term
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Definition
Blood Cell Formation, occurs in Red Bone Marrow |
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Term
Formation of Erythrocytes |
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Definition
Unable to divide, grow, or synthesize proteins Wear out in 100-120 days When worn out, RBCs are eliminated by phagocytes in the spleen or liver Lost cells are replaced by division of hemocytoblasts in the red bone marrow |
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Term
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Definition
The rate that controls the production of erythrocytes |
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Term
What controls the formation of white blood cells and platelets? |
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Definition
Controlled by hormones Thrombopoietin stimulates production |
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Term
Hemostasis involves what three phases? |
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Definition
Vascular spasms Platelet plug formation Coagulation (blood clotting) |
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Term
What are vascular spasms? |
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Definition
Vasoconstriction causing blood vessels to spasm The spasms narrow the blood vessel decreasing blood loss |
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Term
What is platelet plug formation? |
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Definition
Collagen fibers are exposed by a break in a blood vessel Platelets become "sticky" and cling to fibers Anchored platelets release chemicals to attract more platelets Plateles pile up to form a platelet plug |
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Term
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Definition
Injured tissues release tissue factor (TF) PF3 (a phospholipid) interacts with TF, blood protein clotting factors, and calcium ions to trigger a clotting cascade Prothrombin activator converts prothrombin to thrombin (an enzyme) Thrombin joins fibrinogen proteins Fibrin forms a meshwork |
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Term
How long does it take for blood to clot? |
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Definition
Between three to six minutes |
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Term
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Definition
A clot-in an unbroken blood vessel |
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Term
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Definition
A thrombus that breaks away and floats freely in the bloodstream |
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Term
What is thrombocytopenia? |
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Definition
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Term
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Definition
A hereditary bleeding disorder, normal clotting factors are missing |
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Term
Loss of 15 to 30 percent of blood causes? |
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Definition
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Loss of over 30 percent of blood causes? |
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Definition
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What is the only way to replace blood quickly? |
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Definition
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Term
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Definition
a substance the body recognizes as foreign, may be attacked by the immune system |
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Term
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Definition
the recognizers of antigens |
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Term
ABO blood groups are based off of? |
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Definition
The presence or absence of two antigens (A,B) and if it lacks these antigens is called type O |
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Term
What type is the universal recipient? |
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Definition
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What type is the universal donor? |
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Definition
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What determines the Rh blood group? |
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Definition
Named because of the presence or absence of one of eight Rh antigens |
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Term
What RH dangers can occur in pregnancy? |
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Definition
Danger occurs only when the mother is Rh- and the father is Rh+ and the child inherits the Rh+ factor |
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Term
Where does blood cell form in the fetus? |
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Definition
Liver and Spleen, bone marrow takes over by seven months old |
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Term
What is physiological jaundice? |
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Definition
Results in infants in which the liver cannot rid the body of hemoglobin breakdown products fast enough |
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Does fetal hemoglobin differ from hemoglobin produced after birth? |
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Definition
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