MLT Clinical Hematology Final Review questions with correct answers

Anticoagulant of choice for a CBC: - Answer EDTA lavender top EDTA works by: - Answer Binding calcium. Prevents fibrinogen from converting to fibrin and thus prevents clot formation Erythrocytes: - Answer Elastic, non-nucleic, flexible, biconcave disc Erythrocyte size: - Answer 6-8 microns Lifespan of an erythrocyte: - Answer 120 days The main content of erythrocytes: - Answer Hemoglobin How are RBCs removed from the peripheral blood? - Answer 90% removed by the spleen (extravascular) Less than 10% are destroyed in the circulation (intravascular) Normal RBC count for adult female: - Answer 4.0-5.5 million/mm3 Normal RBC count for adult male: - Answer 4.5-6.0 million/mm3 Normal RBC count for a newborn: - Answer 5.0-6.5 million/mm3 Hemoglobin is: - Answer The main compo