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35 Cards in this Set

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Two of the body's most important function
Transportation & Protection
Systems that provide transportation and protections
Circulatory & Lymphatic system
What is blood
Viscous, red fluid that contains red blood cells, white blood cells, and platelets suspended in a light yellow fluid called plasma.
Composition of Plasma
55% of the bloods volume. Remaining 45% is composed of blood cells and platelets
Blood PH range
7.35 to 7.45
Average adult blood volume
5 to 6
5 to 6 L
Critical functions of blood
1) transports oxygen and nutrition to cells and waste products away from the cell, and transport hormornes from endocrine glands to tissues and glands
2) regulate acid-base balance (pH)
3) protects body against infection with special cells and prevent blood loss with special clotting mechanisms
What gives blood there rich color
Erythrocytes (RBCs)
A mature RBC contains
Cytoplasm and red pigment hemoglobin
Hemoglobin content is expressed as
Normochromic or hypochromix anemia
RBC size is expressed as
Macrocytic, microcytic, or normocytic
Normal hemoglobin level for men
14 to 18 g/dL
Normal hemoglobin level for women
12 to 16 g/dL
Average life spans of RBC
120 days
Principal function of Erythrocytes
Transport oxygen and carbon dioxide
Production in erythrocytes takes place in
Red bone marrow, in the vertebrae, ribs, sternum, and proximal ends of the humerus and femur
Erythropoiesis
Process of RBC production
Hematocrit
Measure of the packed cell volume of RBCs, expressed as a percentage of the total blood volume.
Leukocytes
WBCs. Have nuclei, colorless, and live from a few days to several years.
Number of WBCs
5000 to 10,000/mm^3 of blood
Two broad categories of WBCs
Granulocytes and nongranulocytes
Three types of granulocytes
Neutrophils, eosinophils, and basophils
Differential white blood cell count
Examination in which the different kinds of WBCs are counted and reported as percentages of the total examined
Wrights stain
A chemical solution
Neutrophils
Granular circulating leukocytes essential for phagocytosis
Primary phagocytic cells involved in acute inflammatory response
Neutrophils
Mature neutrophil
Segmental neutrophil "seg"
Normal value of neutrophils
60% to 70%
Bands
Immature neutrophils
Bandemia
Increase in the number of band neutrophils
Eosinophils
WBCs that play a role in allergic reactions, effective against certain parasitic worms
Normal values of eosinophils
1% to 4%
Basophils
WBCs that are essential to the nonspecific immune response to inflammation because they release histamine (vasodilator) during tissue damage or invasion
Normal values of basophils
0.5% to 1%
Monocytes
WBCs that function like neutrophils; circulatr in the bloodstream and move into tissue, engulfing antigens and cell debris