Erythrocytes Quiz Leave a Comment / By quizshell / October 25, 2021 25 Multiple Choice Questions 1234567891011121314151617181920212223242526272829303132333435 0% 0 votes, 0 avg 8 GOOD LUCK WELL DONE Created by quizshellErythrocytes quiz 1 / 35 Category: Hematology 1. Which erythrocyte metabolic pathway generates NADPH ? A. Embden-Meyerhof B. Hexose monophosphate C. Rapoport-Luebering D. Methemoglobin reductase 2 / 35 Category: Hematology 2. Which erythrocyte metabolic pathway generates adenosine triphosphate (ATP) through glycolysis? A. Methemoglobin reductase B. Rapoport-Luebering C. Hexose monophosphate D. Embden-Meyerhof 3 / 35 Category: Hematology 3. What term describes a mature red blood cell that contains iron granules ? A. Basophillic stippling B. Siderocyte C. Howell Jolly D. Ringed sideroblast 4 / 35 Category: Hematology 4. Which of the following is the major transport protein of iron ? A. Transferrin B. Ferritin C. Hemosiderin D. Haptoglobin 5 / 35 Category: Hematology 5. Which of the following inclusions is only visible with supravital stain? A. Dohle bodies B. Pappenheimer bodies C. Basophilic stippling D. Heinz bodies 6 / 35 Category: Hematology 6. What red cell morphologic abnormality have unevenly pointed projections and associated with abetalipoproteinemia A. Spherocytes B. Echinocytes C. Dacrocytes D. Acanthocytes 7 / 35 Category: Hematology 7. Which cell transports oxygen and removes metabolic waste from the body ? A. White blood cells B. Platelets C. Red blood cells D. Plasma 8 / 35 Category: Hematology 8. What is the structure of the hemoglobin molecule ? A. Two heme groups, two globin chains B. Four heme groups, two globin chains C. Four heme groups, four globin chains D. Two heme groups, four globin chains 9 / 35 Category: Hematology 9. Which protein transports hemoglobin dimers resulting from intravascular hemolysis ? A. Hemopexin B. Albumin C. Haptoglobin D. Hemosiderin 10 / 35 Category: Hematology 10. Decreased haptoglobin is indicative of A. Extravascular hemolysis B. Intravascular hemolysis C. Intramedullary hematopoiesis D. Intermedullary hematopoiesis 11 / 35 Category: Hematology 11. What is the oxidation state of iron in Hemoglobin ? A. Oxide state B. Ferrous state C. Peroxide state D. Ferric state 12 / 35 Category: Hematology 12. What is the average lifespan of a normal red blood cell ? A. 90 days B. 180 days C. 120 days D. 60 days 13 / 35 Category: Hematology 13. What does the term "anisocytosis" mean? A. Variations in size B. Variations in shape C. Variation of central palor D. Variations in color 14 / 35 Category: Hematology 14. Which of the following is a lipid storage disorder caused by deficiency in sphingomyelinase, associated with foamy bone marrow appearance ? A. Niemann-Pick disease B. Gaucher disease C. Alder normally D. Chronic granulomatous disease (CGD) 15 / 35 Category: Hematology 15. Which of the following factors will result in an immediate increase in oxygen delivery to the tissues ? A. decreased body temperature B. low 2,3-bisphosphoglycerate (2,3-BPG) level C. Decreased pH D. Decreased carbon release 16 / 35 Category: Hematology 16. Which erythrocyte metabolic pathway generates 2,3-bisphosphoglycerate ? A. Embden-Meyerhof B. Hexose monophosphate C. Rapoport-Luebering D. Methemoglobin reductase 17 / 35 Category: Hematology 17. Which stain is used to enumerate reticulocytes ? A. New methylene blue B. Wright stain C. Grams stain D. Eosin stain 18 / 35 Category: Hematology 18. Hemoglobin F consists of ? A. Two alpha- and two beta-globin chains B. Two alpha- and two gamma-globin chains C. Two alpha- and two delta-globin chains D. Four alpha- and two beta-globin chains 19 / 35 Category: Hematology 19. What are the stages of erythrocyte maturation from the earliest recognizable stage ? A. Rubriblast, Prorubricyte, rubricyte, metarubricyte, reticulocyte B. Rubriblast, rubricyte, prorubricyte, metarubricyte, reticulocyte C. Rubriblast, rubricyte, metarubricyte, reticulocyte D. Rubriblast, metarubricyte, reticulocyte 20 / 35 Category: Hematology 20. Pappenheimer bodies are composed of ? A. Vitamin K B. RNA C. Iron granules D. DNA 21 / 35 Category: Hematology 21. Basophilic stippling is composed of A. Vitamin K B. RNA C. Iron granules D. DNA 22 / 35 Category: Hematology 22. The majority of iron found in an adult is a constituent of A. Haptoglobin B. Myoglobin C. Hemoglobin D. Propyria 23 / 35 Category: Hematology 23. What is the major storage form of iron? A. Transferrin B. Hemosiderin C. Ferritin D. Hemachromatin 24 / 35 Category: Hematology 24. Which hemoglobin forms are incapable of oxygen transport ? A. Deoxyhemoglobin and carboxyhemoglobin B. Methemoglobin and deoxyhemoglobin C. Oxyhemoglobin and deoxyhemoglobin D. Carboxyhemoglobin and methemoglobin 25 / 35 Category: Hematology 25. Which of the following is associated with a "shift to the right" in the oxygen dissociation curve of hemoglobin ? A. Decreased oxygen release B. Increased pH, high 2,3-bisphosphoglycerate and increased body temperature C. Decreased pH, high 2, 3-bisphosphoglycerate and elevated temperature D. Decreased carbon release 26 / 35 Category: Hematology 26. What are the stages of erythrocyte maturation from the earliest recognizable stage? A. Pronormoblast, normoblast, Polychromatophilic normoblast Orthochromic normoblast, Reticulocyte B. Pronormoblast, Basophilic normoblast, Polychromatophilic normoblast normoblast, Reticulocyte C. Pronormoblast, Basophilic normoblast, Polychromatophilic normoblast, Orthochromic normoblast, Reticulocyte D. Rubriblast, metarubricyte, reticulocyte, Basophilic normoblast 27 / 35 Category: Hematology 27. What red cell morphologic abnormality has evenly spaced round projections and is associated with pyruvate kinase deficiency A. Spherocytes B. Echinocytes C. Dacrocytes D. Acanthocytes 28 / 35 Category: Hematology 28. Howell-Jolly bodies are composed of A. Vitamin K B. RNA C. Iron granules D. DNA 29 / 35 Category: Hematology 29. Senescent RBCs are phagocytized by macrophages in the liver or spleen and removed through A. Extravascular hemolysis B. Intravascular hemolysis C. Necrosis D. Cell degeneration 30 / 35 Category: Hematology 30. Which of the following protein stimulates red blood cell production? A. Erythropoietin B. Transferrin C. Hemopexin D. Prealbumin 31 / 35 Category: Hematology 31. Hemoglobin A2 consists of ? A. Two alpha- and two beta-globin chains B. Two alpha- and four beta-globin chains C. Two alpha- and two delta-globin chains D. Four alpha- and two beta-globin chains 32 / 35 Category: Hematology 32. Adult hemoglobin consists of ? A. Hgb F contains two alpha- and four beta-globin chains B. Hgb A contains four alpha- and two beta-globin chains C. Hgb A contains two alpha- and two beta-globin chains D. Hgb F contains three alpha- and four beta-globin chains 33 / 35 Category: Hematology 33. Total iron binding capacity (TIBC) measures A. Amount of transferrin B. Amount of iron that transferrin can bind C. Hepcidin D. Ferritin 34 / 35 Category: Hematology 34. Serum ferritin is an indirect measurement of A. Tissue iron B. Storage iron C. Hemoglobin iron D. Transferrin iron 35 / 35 Category: Hematology 35. What substance has a greater affinity for hemoglobin than oxygen ? A. Carbon B. Carbon dioxide C. Carbonmonoxide D. 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