Test Bank For Hematology in Practice 3rd Edition Ciesla All Chapters

Test Bank For Hematology in Practice 3rd Edition Ciesla HEMATOLOGY IN PRACTICE 3RD EDITION CIESLA TEST BANK Chapter 2. From Hematopoiesis to the Complete Blood Count Multiple Choice 1. What is the average M:E ratio for normal adult bone marrow? A. 1:3 B. 4:1 C. 1:4 D. 6:1 ANS: B OBJ: 2.6 2. The key organs involved in extramedullary hematopoiesis include the: A. Kidney and thymus B. Lymph nodes and heart C. Liver and spleen D. Kidney and liver ANS: C OBJ: 2.5 3. Which of these assays is the best test to assess the bone marrow’s response to anemic stress? A. Hemoglobin value B. MCV value C. Reticulocyte count D. Hematocrit ANS: C OBJ: 2.12 4. All of the following splenic functions are related to hematopoiesis, except: A. Production of opsonizing antibodies B. Production of WBCS, if necessary C. Filtering out of old or deformed cells D. Storage of platelets and granulocytes ANS: A OBJ: 2.4 5. Which of the following is a primary site for hematopoiesis in a fetus of 4 to 5 months’ gestation? A. Yolk sac B. Spleen C. Distal long bones D. Axial skeleton ANS: B OBJ: 2.2 6. A patient with the following values—RBC = 4.01 12 /L, Hgb = 12.5 g/dL, and Hct = 37.2%—will most likely have which of the following RBC indices? A. MCV = 92.8 fL, MCH = 31.2 pg, MCHC = 33.6% B. MCV = 92.8 fL, MCH = 33.6 pg, MCHC = 31.2% C. MCV = 107.8 fL, MCH = 32.1 pg, MCHC = 33.6% D. MCV = 132.2 fL, MCH = 32.1 pg, MCHC = 33.5% ANS: A OBJ: 2.9 7. The hormone responsible for red blood cell development in the bone marrow is: A. Thyroxin B. Insulin C. Leukopoietin D. Erythropoietin ANS: D OBJ: 2.1 8. Which of the following sites is the most preferable for bone marrow aspiration and biopsy in adults? A. Sternum B. Iliac crest C. Fibula D. Vertebra ANS: B OBJ: 2.7 9. A patient’s hemoglobin is 12.3 g/dL. On the peripheral smear, the red cells appear normochromic and normocytic. The hematocrit value that correlates with these data is: A. 34% B. 37% C. 40% D. 43% ANS: B OBJ: 2.10 10. A Wright-stained smear of a patient’s bone marrow would effectively reveal all the following cells except: A. Iron-containing cells B. RBC precursor cells C. WBC precursor cells D. Mature WBCs ANS: A OBJ: 2.7 11. Erythropoietin is produced by the: A. Kidneys B. Liver C. Spleen D. Thymus gland ANS: A OBJ: 2.1 12. Bone marrow aspiration is usually required in conditions of: A. Anemia B. Hypoxia C. Leukemia D. Hepatosplenomegaly ANS: C OBJ: 2.7 13. Opsonizing antibodies produced by the spleen serve to: A. Strip the capsule from bacterial pathogens B. Recycle erythrocyte byproducts C. Aid in extramedullary hematopoiesis D. Fight viral infection ANS: A OBJ: 2.4 14. The spleen harbors _____ of the circulatory platelet mass. A. one-quarter B. one-third C. one-half D. three-quarters ANS: B OBJ: 2.4 15. Mature red blood cells leave the bone marrow and enter the circulation via the: A. Reticuloendothelial system B. Osteoclasts C. Spleen D. Bone marrow sinuses ANS: D OBJ: 2.1 16. Which of the following is a site of extramedullary hematopoiesis in an adult? A. Spleen B. Liver C. Iliac crest D. Both A and B ANS: D OBJ: 2.5 17. The ______ is one of the most stable parameters in a CBC. A. MCV B. Hct C. MCHC D. MCH ANS: A OBJ: 2.10 18. The CBC parameter that gives insight into the amount of anisocytosis present in a specimen is: A. RDW B. MCHC C. MCV D. Hgb ANS: A OBJ: 2.8 True/False 19. The CFU-GEMM is a multipotential stem cell, capable of differentiating into a lymphoid or nonlymphoid precursor committed cell. ANS: False OBJ: 2.3 20. Patients with moderate anemias (7 to 10 g/dL) may be asymptomatic. ANS: True OBJ: 2.10