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Ch14
A&P 2
| Question | Answer |
|---|---|
| Plasma is about 45% of the total blood volume. true or false | false |
| Males have more RBCs than females. true or false | true |
| The color of feces is likely to be directly related to hemoglobin metabolism. true or false | true |
| All WBCs retain their nucleus throughout the life of the cell. true or false | true |
| Monocytes become macrophages as they leave the blood and enter tissue spaces. true or false | true |
| It is more likely to find smaller RBC in urine than the larger leukocytes. true or false | false |
| Patients with leukemia often suffer clotting abnormalities and internal bleeding. true or false | true |
| The average amount of blood in an adult is __L. | 5 |
| The percentage of packed RBC volume in whole blood is called ______. | hematocrit |
| The buffy coat evidenced by seperating bloodf cells comprised of _______. | platelets and leukocytes |
| Which blood components transport most of the gases? | erythrocytes |
| Which cell has no nucleus when it is mature? | erythrocyte |
| Which of these factors will increase the RBC or RCC? exercise, dieting, low body temperature, decreased altitudes | exercise |
| Damaged or old RBCs are removed by the liver and _____? | spleen |
| Which of the following does not belong with the others? heme, globin, bilirubin, biliverdin | globin |
| Iron is stored in the liver in the form of _____? | ferritin |
| Which of these is the earliest of this cell ine of blood cells? reticulocyte, erythrocyte, erythroblast, hemocytoblast | hemocytoblast |
| RBCs live around ______ before they disintegrate. | 120 days |
| Which organ has a primary role in stimulating blood cell formation? | kidney |
| What is the main site of erythrocyte production in the fetus? | lliver |
| Which of the following is a young patelet? | megakaryoblast |
| Which of these do not develope from a myeoblast? basophil, monocyte, eosinophil, neutrophil | monocyte |
| Which of he following is least essential for erythrocyte developmet? vitamin B12, vitamin B6, folic acid, gastric instinsic factor | vitamin B6 |
| Which of the following is an agranulocyte? neutrophil, monocyte, basophil, eosinophil | monocyte |
| Which condition is characterized by an abnormal increase in RBC count? | polycythemia |
| Which condition is caused by a deficiency of vitmin B12? | pernicious anemia |
| Which cells are also called polymorphonuclear leukocytes? | neutrophils |
| Which cells are the rarest leukocytes? | basophils |
| Which WBCs are the most common? | neutrophils |
| Which leukocytes are the largest in the peripheral blood? | monocytes |
| Which leukpcytes does not have phagocytic properties? | lymphocytes |
| Which of the following is a probable cause of leukocytosis? mumps, chickenpox, influenza, appendicitis | appendicitis |
| The ability termed ______ explains how a white blood cell could be found in the urine. | diapedesis |
| The ______ cells are actively involved with allegies. | eosinophils |
| The _____ cells are the usual sources of heparin. | basophils |
| Which cells release antibodies into the circulation? | lymphocytes |
| What is the most common cancerous condition in children? | acute lymphoid 1 |
| Myeloid leukemia(1) can be evidenced by and increase in _____. | neutrophil |
| What is normal platelet count? | 200,000 per cubic mm |
| Which components are the source of serotonin which causes smooth muscle cells to contract? | platelets |
| What is the most common component in the plasma? | water |
| Which is the most abundant of the plasma proteins? | albumin |
| What is the most significant factor that helps maintain blood osmotic pressure? | albumin |
| Which proteins are the source of most antibodies? | gamma globulins |
| Which protein functions in coagulation? | fibrinogen |
| Which organ has the greatest role in synthesizing most blood nutrients? | liver |
| Which of these is mainly comprised of tryglycerids? | chylomicron |
| Which of these has the highest proportion of protein? chylomicron, VLDL, LDL, HDL | HDL |
| Which lipoprotein has the highest pecentage of cholesterol? | LDL |
| During protein catabolism, _____ is produced as an end product by the liver. | urea |
| Which factor promotes the apperance of the platelet plug? | collagen |
| Which chemical initiates the extensic phase of clotting? | thromboplastin |
| Which of the following is not always present in the blood? | thrombin |
| Which is the last molecule to appear in a clotting reaction? | fibrin |
| Which of these can dissolve a blood clot? | plasmin |
| Which of these is a procoagulant? | vitamin K |
| Which is the rarest ABO blood type? | AB |
| Who is at risk for causing a fatal Rh incompatibility? | second Rh+ fetus of Rh mother |
Created by:
bw3221
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