ASCP Hematology Exam Questions and Correct Answers Latest Update 2024 Already Passed

ASCP Hematology Exam Questions and Correct Answers Latest Update 2024 Already Passed The light-colored adjacent to the nucleus in a plamacyte is the: - Answers Golgi area Which of the following responses lists these compounds in the order in which they are formed? - Answers 2,3,1,4 The majority of the iron in an adult is found as a constituent of: - Answers Hemoglobin The main functoin of the hexose monophosphate shunt in the erythrocyte is to: - Answers Provide reduced glutathione to prevent oxidation of hemoglobin In order for hemoglobin to combing reversibly with oxygen, the iron must be: - Answers in the ferrous state In which of the following disease states are teardrop cells and abnormal platelets most characteristically seen? - Answers Myeloid metaplasia In the normal adult, the spleen acts as a site for: - Answers removal of imperfect and aging cells After the removal of RBCs from the circulation hemoglobin is broken down into: - Answers Iron, protoporphyrin, and globin Heinz bodies are: - Answers denatured hemoglobin inclusions that are readily removed by the spleen Cells for the transport of O2 and CO2 are: - Answers Erythrocytes Erythropoietin acts to: - Answers stimulate RNA synthesis of erythroid cells What cell shape is most commonly associated with an increased MCHC? - Answers Spherocytes Which of the following characteristics are common to hereditary spherocytosis, hereditary elliptocytosis, hereditary stomatocytosis, and paroxysmal nocturnal hemoglobinuria? - Answers Red cell membrane defects Which of the following is most closely associated with iron deficiency anemia? - Answers Chronic blood loss Evidence indicates that the genetic defect in thalassemia usually results in: - Answers A quantitative deficiency in RNA resulting in decreased globin chain production. An enzyme deficiency associated with a moderate to severe hemolytic anemia after the patient is exposed to certain drugs and characterized by red cell inclusions formed by denatured hemoglobin is: - Answers G-6-PD deficiency Patients with A(-) type G-6-PD deficiency are least likely to have hemolytic episodes in which of the following situations? - Answers Spontaneously Peripheral blood smears from patients with untreated pernicious anemia are characterized by: - Answers pancytopenia and macrocytosis Lab tests performed on a patient indicate macrocytosis, anemia, leukopenia and thrombocytopenia. Which of the following disorders is the patient most likely to have? - Answers vitamin B12 deficiency The characteristic morphologic feature in folic acid deficiency is: - Answers Macrocytosis The most likely cause of the macrocytosis that often accompanies anemia of myelofibrosis is: - Answers Folic acid deficiency A characteristic morphologic feature in hemoglobin C disease is: - Answers target cells Thalassemias are characterized by - Answers Decreased rate of globin synthesis Laboratory findings in hereditary spherocytosis do not include: - Answers decreased osmostic fragility Which of the following types of polycythemia is a severely burned patient most likely to have? - Answers relative polythemia associated with dehydration The characteristic morphologic feature in lead poisoning is: - Answers Basophilic stippling Which of the following technical factors will cause a decreased erythrocyte sedimentation rate? - Answers Small fibrin clots in the sample Which of the RBC indices is a measure of the amount of hemoglobin in individual RBCs? - Answers MCH The RDW-CV and RDW-SD performed by automated cells counters are calculations that provide: - Answers an index of the distribution of RBC volumes The erythrocyte sedimentation rate (ESR) can be falsely elevated by: - Answers tilting the tube What is the formula for absolute cell count? - Answers % of cells counted x total count The mean value of a reticulocyte count on specimens of cord blood from healthy, full-term newborns is approximately: - Answers 5.0% The presence of excessive rouleaux formation on a blood smear is often accompanied by an increased: - Answers Sedimentation rate A red blood cell about 5 um in diameter that stains bright red and shows no central pallor is a: - Answers spherocyte