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how does hemoglobin contribute to the function of erythrocytes
makes up 33 percent of erythrocytes and combines reversibly wth oxygen and plays a vital role in the transportation of oxygen by red blood cells
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how is erythrocyte production regulated
the liver and kidneys release erythropoietin to stimulate the production of rbc's
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what are the functions of each type of leukocyte
- lekocytes decription FUNCTION
- granulocytes- cytoplasmic granules present
neutrophilis- nucleus with 3-5 bodys,stains lavander f-PHAGOCYTOSIS
- eosinophils- nucleus bilobed, stained red
- F COUNTERACT HISTAMINE RELEASED IN ALLERGIC REACTIONS,PHAGOCYTOSIS
- basophils- nucleus u shaped or lobed,stained blue F INTENSIFY INFLAMATION IN ALLERGIC REACTIONS
- agranulocytes cytoplasmic granules absent
- lymphocytes-little cytoplasm around nucleus slightly larger than rbc's F PRODUCE ANTI-BODYS AND PROVED IMMUNITY
- monocytes- nucleus u or kidney shaped 2-3 times larger than rbcs F PHAGOCYTOSIS
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what are the recognition characteristics of each type of leukoyte
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what are the major components of blood plasma
ALBRUMINS,GLOBULINS,FIBRINOGEN,NONPROTEIN NITROGEN SUBSTANCES,NUTRIENTS,ENZYMES AND HORMONES, ELECTROLYTES, RESPIRATORY GASES
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what are the 3 major steps in hemostasis
VASCULAR SPASM, PLATELET PLUG FORMATION, COAGULATION
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how are blood clots formed
DAMAGED TISSUE RELEASE PROTHROMBIN WHICH CONVERTS TO AN ACTIVE ENZYME THROMBIN. WHICH ALLOWS FIBRIN TO TURN INTO THROMBUS
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what determines an individuals ABO blood type
DETERMINED BY SPECIFIC ANTIGENS LOCATED ON THE PLASMA MEMBRANES OF ERYTHROCYTES
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why is blood typing important in transfusions
so that the incompatable blood does not clump up and block blood vessels and case death
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what is the cause of erythoblastosis fetalis
after the first child the mother may become get rh+ in her blood which will cause a build up of anti-rh antibodys
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