ASCP Hematology Exam-MLT questions with complete solutions

The light-colored zone adjacent to the nucleus in a plasmacyte is the: A. ribosome B. chromatin C. mitochondria D. Golgi area Correct Answer: 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 Correct Answer: A. hemoglobin The main function of the hexose monophosphate shunt in the erythrocyte is to: A. reglate 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 Correct Answer: 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 Correct Answer: D. in the ferrous state In which of the following disease states are teardrop cells and adnormal platelets most characteristically seen? A. hemolytic anemia B. multiple myeloma C. G-6-PD deficiency D. myeloid metaplasma Correct Answer: 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