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44 Cards in this Set

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Blood’s Relationship with Other Bodily Fluids
Cells ––> Serviced by interstitial fluid ––> Serviced by the blood
Interstitial fluid functions:
Transport Functions of Blood
Regulatory Functions of Blood
Protective Functions of Blood
Blood Cell Formation
Blood Cell Breakdown
Components of Blood Plasma & Formed Elements %
Components of Blood
Plasma Erythrocytes Leukocytes Thrombocytes
ErythrocytesCharacteristics / Functions
RBC Production: Erythropoiesis
RBC Production: Erythropoiesis
Anemia:
a condition, not a disease in which there is a “reduced oxygen-carrying ability of the blood” –
Types of anemia:
Nutritional Anemia: Pernicious Anemia: Aplastic Anemia:
Nutritional Anemia:
from an inadequate diet (need amino acids, iron, Vit B12)
Pernicious Anemia:
from the inability to produce intrinsic factor
Aplastic Anemia:
from the destruction or inhibition of the red bone marrow
Polycythemia:
an abnormally high number of RBC’s, increasing the viscosity of blood causing sluggish flow (hematocrit of 80% or more)
Types of polycythemia:
Polycythemia vera: Relative Polycythemia: Secondary Polycythemia: Thalassemia:
Polycythemia vera:
an increase in blood volume and red blood cells from hyperactivity of bone marrow (may be caused by bone marrow cancer)
Relative Polycythemia:
relative increase in the number of red blood cellsas a result of loss of the fluid portion of the blood (may occur in dehydration, burn, and shock)
Secondary Polycythemia:
due to chronic hypoxia, which triggers excess RBC production (high altitude, pulmonary disease, etc.)
Thalassemia:
a genetic disease in which cells are not able to produce enough ∂ or ß chains for Hb (body responds by producing large #’s of new RBC’s, with low [Hb])
LeukocytesTypes / General Functions
LeukocytesFunctional Characteristics
Thrombocytes Structure
Thrombocytes Function
prevent fluid loss by initiating a chain of reactions which create a platelet plug and/or a blood clot
Hemostasis
refers to the processes leading to the stoppage of bleedingcomprised of 3 basic mechanisms: vascular spasm, the formation of a
Vascular Spasm
immediately when a vessel is damaged, the smooth muscle contracts•
Platelet–Plug Formation
Platelet–Plug FormationPathway
Coagulation (Clotting)
a set of chemical cascade reactions that produce a web of fibrin around an existing platelet plug •
Coagulation Factors
Basic Stages of Clotting
Clotting Pathways
Extrinsic Pathway
Intrinsic Pathway
Coagulation Factors
Anti-Coagulants
Retraction (syneresis)
the consolidation or tightening of a fibrin clot to draw the wound surfaces together
Fibrinolysis
The Lymph SystemGeneral Functions
The Lymph SystemFunctional Design
Lymph Flow