HEMATOLOGY EXAM SCRIPT COMPLETE QUESTIONS AND CORRECT ANSWERS STUDY MATERIAL

HEMATOLOGY EXAM SCRIPT COMPLETE
QUESTIONS AND CORRECT ANSWERS
STUDY MATERIAL

●● What does RES stand for?
Answer: Reticuloendothelial system


●● Where is the primary site of hematopoiesis?
Answer: Bone marrow


●● What is the ratio for yellow and red bone marrow?
Answer: 50:50


●● Where is bone marrow located?
Answer: proximal ends of long bones, sternum, iliac pelvic crest


●● Where is the best location to obtain bone marrow?
Answer: iliac pelvic crest


●● Where do megakaryocytes lie in the bone marrow?
Answer: close to the endothelial cells for easy release

, ●● Where do erythrocytic cells lie in the bone marrow?
Answer: close to the endothelial cells in a "bunch of grapes" formation


●● Where do leukocytes lie in the bone marrow?
Answer: they begin in the core and slowly make their way to the cord
lining


●● Which organ is involved in RBC circulation?
Answer: spleen


●● Which granulocyte is the last to undergo mitosis?
Answer: myelocyte


●● What is margination?
Answer: the accumulation and adhesion of leukocytes to the epithelial
cells of blood vessel walls at the site of injury in early stages of
inflammation


●● What is diapedesis?
Answer: the outward passage of White Blood Cells through intact vessel
walls.