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51 Cards in this Set
- Front
- Back
functions of the blood include
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1)transports of nutrients and wastes
2) maintaining proper acid_base balance 3) regulation of body temperature 4) immunologic reactions body defense |
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formed elements include
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leukocytes and platelets, erythrocytes
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most abundant protein in blood plasma is
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albumin
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plasma proteins that are important in the body defenses are
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immunoglobulins or serum globulins
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plasma proteins that are necessary for blood clotting
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fibrinogens
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red blood cells do not contain a
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nucleus
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in adults erythropoiesis takes primary takes place in
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red bone marrow
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a person blood type is determined by
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presence of specific molecules on the cell membrane (antigens)
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Neutrophils are
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granular leukocytes
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most numerous WBC in peripheral circulation are
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neutrophils
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______ are large phagocytic wbc's that spend most of their time outside and fixed free phagocytic cells
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monocytes
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white blood cells that are important in producing antibodies
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lymphocytes
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_____ involves a complex sequence of steps leading to conversion of fibrinogen to fibrin
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Coagulation
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Cells in the red bone marrow called megakarocytes form
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platelets
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waste product bilirubin is formed from
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heme
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most of the iron extracted from hemeglobin is
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stored and recycled
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which of the following situations could result in anemia
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1) hemorrage
2) deficiency of iron 3) lack of vitamin b12 4) disease of the red bone marrow |
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What would you expect to see in elevated numbers after donating a pint of blood to red cross
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reticulocytes
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Most of the plasma is made up of
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water
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plasma makes up ___ of the total blood volume in women
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55%
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the cell type that can differentiate into all the different formed elements of the blood
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Hemocytoblast
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what is not true of blood
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the higher the hematocrit the lower the viscosity of blood
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The cells that dispose of old damaged erythrocytes are
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macrophages
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platelets function in
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blood clotting
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Males usually have an average of ___ grams of hemoglobin per 100ml of blood
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18
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Pernicious anemia is a condition tht results from
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an inability to absorb adequate amonut of b12
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which leukocyte leaves the blood and enter tissue spaces where they protect the body by phagocytosis
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Neutrophils
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average lifespan of an erythrocyte
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120 days ( four months)
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primary function of albumin
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stabalize osmotic pressure within blood
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possible causes of the formation of thrombi
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roughened lining of the blood vessels
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a danger created by emboli is that they can
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become lodges in a major vessel and block blood flow
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first leukocytes to arrive on scence are
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neutrophils
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evidence of large number of ___ at the site of a tissue injury if often an allergic reaction or in response to parasitic infections
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eosinophil
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what is true about interferons
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part of the non-specific immune system
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which is not true of b cells
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they are produced in the thymus and liver
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what is true of antibodies
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they belong to a family known as globulins
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the iron from hemoglobulin ultimately ends up in which of the following substances
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erythropoietin
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anemia would probably have an effect on the level of erythopoietin
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make it increase
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platelets are formed by cells called
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megakaryocyctes
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diapedesis
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passage of ameboid wbc's through unruptured capillary wall
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inadequate production of erythorcyctes due to destruction of red bone marrow
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aplastic anemia
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which is not true of a monocyte
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capable of antibody production
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Factor VII, calcium ions, and tissue thrombo plastin are all involved in activating factor
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X
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fibrin can be decomposed and blood clots dissolved by
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plasmin
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which of the following is nonspecific inflammatory response occurs secondly
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slowing of blood flow by dilation and increase permeability of small vessels
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immunoglobulins involved in specifc immunity against bacteria and viruses
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IgA
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which is true about interferons
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they stimulate cells that are important in immune surveillance
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what is not true of t-cells
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they are a homogenous group of lymphocytes
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not an example of passive immunity
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infectin agent or toxic antigen
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not a lymphatic tissue
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thyroid gland
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defective red blood cells or worn out rbc's are removed by
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spleen
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