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54 Cards in this Set
- Front
- Back
A person's total blood volume
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involves age, sex, body type
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Blood volume per kilogram of body weight varies inversely with
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excess body fat
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a hematocrit of 56% would be an indication of
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polycythemia
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Erythrocyte
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is a mature cell that has no nucleus, mitochondria, or ribosomes
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a normal adult red blood cell count ranges from
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4.2 to 5.8 million/cubic mm
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Erythrocyte
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is a cell type that can carry oxygen
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A hematocrit of 40% means that in every 100 ml of whole blood there are
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40 red blood cells and the remainder is fluid plasma
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under the microscope, erythrocytes appear as
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biconcave disks without nuclei
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erythropoiesis is the formation of
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red blood cells
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many types of blood cells are produced in the
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red bone marrow
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in the formation of blood cells, the megakaryoblast ultimately developes in
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platelets
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erythropoietin is a hormone
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released by the liver to stimulate red blood cell formation
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carbon dioxide is transported as bicarbonate ions because of a chemical reaction catabolized by the enzyme
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carbonic anhydrase
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all blood cells are derived from
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heocytoblasts
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heme is broken down into what pigment, which is excreted in bile?
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bilirubin
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Agranulocytes
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lymphocytes and monocytes
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which of the following types of white blood cells is through to play a role in the prevention of clotting
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basophil
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example of a leukocyte
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monocyte
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which type of white blood cells plays a major role in immunity to infectious diseases
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lymphocytes
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which of the following have the greatest power of phago cytosis in the tissues?
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neturophils and monocytes
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thrombocytes are used for
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transfer of oxygen
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Rh factor that can cause agglutination of an infacts red blood cells?
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Mother -, Father +, Infant +
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People with type AB blood are considered universal recipients because their blood
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does not contain either anti -A or anti-B antibodies
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which of the following is an anticoagulant?
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Heparin
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pernicious anemia may occur because of a lack of vitamin
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B12
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the major ingredient in hemoglobin that allows oxygen to be transported is
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iron
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the decrease in red blood cell numbers can result in
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anemia
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which of the following formed elements assist in coagulation
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thrombocytes
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hemocytoblasts give rise to
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erythrocytes, leukocytes, thrombocytes, etc.
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a person with only antibody B in his or her plasma would have which blood type?
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Type A
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The function of blood is to
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carry food to the cells, remove waste from the cells, assist the body in temperature regulation
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a hematocrit value of 38 ml/100,l of blood would be
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in the low normal range for a woman
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when whole blood is spun down a centrifuge, the bufft coat can be found
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between the plasma and red blood cells
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one hemoglobin molecule contains
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one molecule of heme, one molecule of globin, 4 iron atoms
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end product of the breakdown of hemoglobin?
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bilirubin, free oxygen, iron
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whole blood constitutes about what percent of the total body weight?
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8%
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the approximate blood volume in a human can be determined by using
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indirect method, a radiostope
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formed element of the blood
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erythrocytes
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which metal is needed by the body to form red blood cells?
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iron
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white blood cells
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more brightly colored than red blood cells, larger than red blood cells, contains a nucleus
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some white blood cells are capable of diapedesis this means they can
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migrate out of blood vessels into tissue spaces
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which white blood cell helps protect against parasitic worms?
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eosinophil
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the most mature developing red blood cell that still contains a nucleus is
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reticulocyte
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which white blood cell contains granules filled with histamine?
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basophil
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a person with no antibodies in the blood plasma would have which blood type?
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AB
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a person with no antigens on the red blood cell would have which blood type
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O
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a person with an antigen on the red blood cell and a different antibody in the plasma
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Type A or B
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a hematocrit of 56% would be and indication of
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polycythemia
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how does the body benefit from the breakdown of aged or damaged red blood cells
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the breakdown increases erythropoiesis, which results in an increase in red blood cells
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105-120 days
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erythrocyte
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10-12 days
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eosinophil
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months
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monocyte
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days to years
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lymphocyte
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hours to 3 days
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basophil
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