ASCP Hematology Exam-MLT Questions And Answers

ASCP Hematology Exam-MLT Questions And Answers The light-colored zone adjacent to the nucleus in a plasmacyte is the: A. ribosome B. chromatin C. mitochondria D. Golgi area - ANS D. Golgi area The majority of the iron in an adult is found as a constituent of: A. hemoglobin B. hemosiderin C. myoglobin D. transferrin - ANS A. hemoglobin The main function of the hexose monophosphate shunt in the erythrocyte is to: A. regulate the level of 2,3-DPG B. provide reduced glutathione to prevent oxidation of hemoglobin C. prevent the reduction of heme iron D. provide energy for membrane maintenance - ANS B. provide the level 2,3-DPG In order for hemoglobin to combine reversibly with oxygen, the iron must be: A. complexed with haptoglobin B. freely circulating in the cytoplasm C. attached to transferrin D. in the ferrous state - ANS D. in the ferrous state In which of the following disease states are teardrop cells and abnormal platelets most characteristically seen? A. hemolytic anemia B. multiple myeloma C. G-6-PD deficiency D. myeloid metaplasia - ANS D. myeloid metaplasia In the normal adult, the spleen acts as a site for: A. storage of red blood cells B. production of red blood cells C. synthesis of erythropoietin D. removal of imperfect and aging cells - ANS D. removal of imperfect and aging cells After removal of red blood cells from the circulation hemoglobin is broken down into: A. iron, porphyrin, and amino acids B. iron, protoporphyrin, and globin C. heme, protoporphyrin, and amino acids D. heme, hemosiderin, and globin - ANS B. iron, protoporphyrin, and globin Heinz bodies are: A. readily identified with polychrome stains B. rarely found in glucose-6-phosphate dehydrogenase deficient erythrocytes C. closely associated with spherocytes D. denatured hemoglobin inclusions that are readily removed by the spleen - ANS D. denatured hemoglobin inclusions that are readily removed by the spleen Cells for the transport of O2 and CO2 are: A. erythrocytes B. granulocytes C. lymphocytes D. thrombocytes - ANS A. erythrocytes