front 1 All cell stages. | back 1 ![]() |
front 2 ![]() Identify the cell stage of erythropoiesis indicated by "C." | back 2 Basophilic erythroblast |
front 3 One molecule of hemoglobin can bind a maximum of __________ oxygen molecules. | back 3 four |
front 4 ![]() Identify the cell stage of erythropoiesis indicated by "E." | back 4 Orthochromatic erythroblast |
front 5 Mature red blood cells in the circulating blood are filled with __________. | back 5 hemoglobin molecules |
front 6 The terms biconcave and anucleate apply to __________. | back 6 ![]() red blood cells |
front 7 Pernicious anemia may result from __________. | back 7 the lack of vitamin B12 in the diet or a deficiency of the intrinsic factor needed to absorb B12 |
front 8 Which of the following factors has the greatest effect on making red blood cells (RBCs) very efficient oxygen transporters? | back 8 They generate ATP by anaerobic mechanisms and do not consume any of the oxygen they carry. |
front 9 The percentage of total blood volume occupied by erythrocytes is known as the _____________. | back 9 hematocrit |
front 10 Match the following disorder with the appropriate description: Aplastic anemia. | back 10 Results from destruction or inhibition of the red marrow by certain bacterial toxins, drugs, and ionizing radiation |
front 11 Erythropoietin is made primarily by the __________. | back 11 kidneys |
front 12 ![]() Identify the cell stage of erythropoiesis indicated by "D." | back 12 Polychromatic erythroblast |
front 13 Choose the true statement about fetal hemoglobin. | back 13 Fetal hemoglobin has a higher affinity for oxygen than does adult hemoglobin. |
front 14 Match the following disorder with the appropriate description: Sickle-cell anemia. | back 14 Caused by abnormal (mutated) hemoglobin from a change in DNA, resulting in a change in one of the 146 amino acids of the beta chain of the globin molecule |
front 15 Individuals with malaria have a better chance of surviving if they have which type of anemia? | back 15 Sickle-cell anemia |
front 16 Match the following disorder with the appropriate description: Iron-deficiency anemia. | back 16 Can be a secondary result of hemorrhagic anemia, but it also results from inadequate diet or impaired absorption (vision) |
front 17 Which of the following is a function of erythrocytes? | back 17 Transport oxygen and carbon dioxide |
front 18 ![]() Identify the cell stage of erythropoiesis indicated by "F." | back 18 Reticulocyte |
front 19 Which type of anemia results from the destruction or inhibition of the red marrow by drugs, chemicals, ionizing radiation, or viruses? | back 19 Aplastic anemia |
front 20 Choose the true statement about fetal hemoglobin. | back 20 Fetal hemoglobin has a higher affinity for oxygen than does adult hemoglobin |
front 21 The percentage of total blood volume occupied by erythrocytes is known as the ____________. | back 21 hematocrit |
front 22 Aging red blood cells are fragmented and trapped mainly in the ____________. | back 22 spleen |
front 23 Another term for reduced hemoglobin is ____________. | back 23 deoxyhemoglobin |
front 24 Which of the following is a characteristic of a mature erythrocyte? | back 24 It has a biconcave disc shape. |
front 25 ![]() Identify the cell stage of erythropoiesis indicated by "A." | back 25 Hemocytoblast |
front 26 Erythroblastosis fetalis is caused by ____________. | back 26 an Rh incompatibility between an Rh-negative mother and her Rh-positive baby during pregnancy |
front 27 Match the following disorder with the appropriate description: Hemorrhagic anemias. | back 27 Result from blood loss |
front 28 Erythropoiesis is best defined as ____________. | back 28 red blood cell production |