Chapter 19 Blood Mastering AP – Flashcards

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Grainy Group
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Neutrophils, basophils, eosinophils
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Plasma makes up approx what percentage of whole blood?
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55 percent
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The formed elements of blood consists of ___
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red blood cells, white blood cells, platelets
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Red blood cells carry____ to the lungs and _____ to the tissue
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carbon dioxide; oxygen
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triglyceride + globulin complex is termed a(n) _____
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lipoprotein
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The most abundant plasma protein is ___
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albumin
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What is the role of transferrin?
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it transport iron ions in the plasma
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What is the typical lifespan of healthy red blood cells?
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120 days
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Features of RBC morphology
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large surface area-to-volume ratio, ability to bend and flex when entering capillaries, ability to form stacks known as rouleux
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Hemoglobin
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can carry four O2 atoms
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The site of red blood cell production in an adult is the _____.
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red bone marrow
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What cells arise from a lymphoid stem cell?
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lymphocytes
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Antibodies that attack antigens on foreign RBC's are called_____
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aggluntinins
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A positive blood cannot receive blood from
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B positive donors
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WBCs and wounds
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WBCs can migrate out of the blood stream, move through tissues using amebic motion, are positively attracted to specific chemical stimuli
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Antihistamines would work best against which type of WBC
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Basophil
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The white blood cell type that most rapid increases in number after a bacterial infection is the
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neutrophils
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Basophils...
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release histamine, contain cytoplasmic granules, promote inflammation and are rare
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Granulocyte-colony-stimulation factor stimulates production of
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neutrophils
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The agranular leukocyte that can differentiate into a cell that is capable of phagocytosis is the
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monocyte
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To produce platelets, myeloid stem cells have to differentiate into what kind of cell
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megakaryocyte
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If a patient has thrombocytopenia, the best therapy is infusion of
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purified platelets
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An important function of platelets is to
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transport clotting factors
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Hemostasis
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coagulation phase, platelet phase, vascular phase
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Most of the plasma proteins require in the coagulation process are produced by
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the liver
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During Fibrinolysis,
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clots slowly dissolve
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The common pathway in coagulation ends with ___.
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conversion of soluble fibrinogen to insoluble fibrin
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The enzyme that dissolves fibrin is named?
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plasmin
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Hemolytic disease of the newborn is caused when
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an RH-negative mother has been sensitized to and produces an anti-RH response against an RH-positive fetus
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RhoGAM prvents the mother's immune sysyem from
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actively producing antibodies against fetal RH antigens by destroying fetal red blood cells that cross the placenta during delivery
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