A&P 2
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| Plasma is about 45% of the total blood volume. true or false | false
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| Males have more RBCs than females. true or false | true
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| The color of feces is likely to be directly related to hemoglobin metabolism. true or false | true
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| All WBCs retain their nucleus throughout the life of the cell. true or false | true
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| Monocytes become macrophages as they leave the blood and enter tissue spaces. true or false | true
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| It is more likely to find smaller RBC in urine than the larger leukocytes. true or false | false
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| Patients with leukemia often suffer clotting abnormalities and internal bleeding. true or false | true
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| The average amount of blood in an adult is __L. | 5
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| The percentage of packed RBC volume in whole blood is called ______. | hematocrit
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| The buffy coat evidenced by seperating bloodf cells comprised of _______. | platelets and leukocytes
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| Which blood components transport most of the gases? | erythrocytes
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| Which cell has no nucleus when it is mature? | erythrocyte
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| Which of these factors will increase the RBC or RCC? exercise, dieting, low body temperature, decreased altitudes | exercise
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| Damaged or old RBCs are removed by the liver and _____? | spleen
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| Which of the following does not belong with the others? heme, globin, bilirubin, biliverdin | globin
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| Iron is stored in the liver in the form of _____? | ferritin
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| Which of these is the earliest of this cell ine of blood cells? reticulocyte, erythrocyte, erythroblast, hemocytoblast | hemocytoblast
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| RBCs live around ______ before they disintegrate. | 120 days
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| Which organ has a primary role in stimulating blood cell formation? | kidney
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| What is the main site of erythrocyte production in the fetus? | lliver
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| Which of the following is a young patelet? | megakaryoblast
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| Which of these do not develope from a myeoblast? basophil, monocyte, eosinophil, neutrophil | monocyte
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| Which of he following is least essential for erythrocyte developmet? vitamin B12, vitamin B6, folic acid, gastric instinsic factor | vitamin B6
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| Which of the following is an agranulocyte? neutrophil, monocyte, basophil, eosinophil | monocyte
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| Which condition is characterized by an abnormal increase in RBC count? | polycythemia
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| Which condition is caused by a deficiency of vitmin B12? | pernicious anemia
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| Which cells are also called polymorphonuclear leukocytes? | neutrophils
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| Which cells are the rarest leukocytes? | basophils
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| Which WBCs are the most common? | neutrophils
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| Which leukocytes are the largest in the peripheral blood? | monocytes
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| Which leukpcytes does not have phagocytic properties? | lymphocytes
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| Which of the following is a probable cause of leukocytosis? mumps, chickenpox, influenza, appendicitis | appendicitis
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| The ability termed ______ explains how a white blood cell could be found in the urine. | diapedesis
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| The ______ cells are actively involved with allegies. | eosinophils
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| The _____ cells are the usual sources of heparin. | basophils
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| Which cells release antibodies into the circulation? | lymphocytes
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| What is the most common cancerous condition in children? | acute lymphoid 1
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| Myeloid leukemia(1) can be evidenced by and increase in _____. | neutrophil
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| What is normal platelet count? | 200,000 per cubic mm
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| Which components are the source of serotonin which causes smooth muscle cells to contract? | platelets
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| What is the most common component in the plasma? | water
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| Which is the most abundant of the plasma proteins? | albumin
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| What is the most significant factor that helps maintain blood osmotic pressure? | albumin
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| Which proteins are the source of most antibodies? | gamma globulins
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| Which protein functions in coagulation? | fibrinogen
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| Which organ has the greatest role in synthesizing most blood nutrients? | liver
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| Which of these is mainly comprised of tryglycerids? | chylomicron
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| Which of these has the highest proportion of protein? chylomicron, VLDL, LDL, HDL | HDL
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| Which lipoprotein has the highest pecentage of cholesterol? | LDL
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| During protein catabolism, _____ is produced as an end product by the liver. | urea
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| Which factor promotes the apperance of the platelet plug? | collagen
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| Which chemical initiates the extensic phase of clotting? | thromboplastin
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| Which of the following is not always present in the blood? | thrombin
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| Which is the last molecule to appear in a clotting reaction? | fibrin
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| Which of these can dissolve a blood clot? | plasmin
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| Which of these is a procoagulant? | vitamin K
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| Which is the rarest ABO blood type? | AB
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| Who is at risk for causing a fatal Rh incompatibility? | second Rh+ fetus of Rh mother
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