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Cricks Ch 14 Blood

QuestionAnswer
List thr 5 things transported by the blood oxygen, carbon dioxide, nutrients, wastes, hormones
What 3 things are reguilated by the blood pH, body temperature, water content of cells
What is the normal temperature of the blood? 100.4
What is the normal pH range of the blood? 7.35-7.45
Hopw much of blood is plasma compared to formed elements? 55% PLASMA, 45% FORMED ELEMENTS
What are the 3 formed elements in blood? Red blood cells, white blood cells and platelets
What is plasma made of? water (91.5%) and 8.5 solutes
What are the solutes in plasma? proteins, nutrients, hormones, respiratory gases, electrolytes, waste products.
What is hemopoesis? The creation of blood cells
Where does hemopoesis take place? Red bone marrow
What do red blood cells lack that most cells have? nucleus
What do red blood cells carry that most other cells dont? Oxygen atoms
How long does a red blood cell live? 120 days on average
What happens to red blood cells when they expire? Macrophages consume them, hemoglobin is recycled
What is the name given to the process of creating new red blood cells? erythropoesis
What stimulates erytheropoesis? low blood oxygen is sensed byu the kidneys
What is a reticulocyte count? A measurement of erythropoesis
What are granular and agranular leukocytes? Types of white blood cells
What is the primary role of WBCs? Fighting infection
How long do white blood cells live? Hours to days
What is the major role of a blood platelet? top stop bleeding by clotting
What is hemostasis? The stoppage of hemorrhage
What is hemorrhage? bleeding
What are the 3 ways that the body stops bleeding? 1) vascular spasm, 2) platelet plug formation, 3) fiber formation
What is vascular spasm? A vessel (artery or vein) constricts in diamdeter, lets less blood through
When plateles stick together to stop bleeding, what is the structure called? Platelet plug
What is a clot made out of? Protein fibers (they form out of the plasma) and formed elements of blood that get trapped in the fibers (they form a net like structure)
What is fibrinolysis? Dissolving of a blood clot
What do anticoagulants (Heparin is a medicine example) do? prevent clotting
If a clot forms in unbroken blood vessel, what is it called? Thrombus
If a red blood cells has A antigens on it, then what kind of antibodies are in the plasma? B antibodies, so B blood infusions would trigger an allergic reaction
AB blood has A and B andigens on the red blood cells, anb A and B antibodies in the blood. What blood type can this person get? Type O\
What does Rh+ mean? the person has rhesus antigens on their RBCs
If a person is Rh- can they get Rh+ blood? One time, they they build up immunity to it.
Created by: russcrick
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