HEMATOLOGY TEST PAPER QUESTIONS AND SOLUTIONS VERIFIED ANSWERS

HEMATOLOGY TEST PAPER QUESTIONS
AND SOLUTIONS VERIFIED ANSWERS

●● % of cells in whole blood (normal=45%)
Answer: Packed cell volume


●● Transports chemicals (~55%)
Answer: Plasma


●● RBC's
Answer: Erythrocytes (carry oxygen)


●● WBC's
Answer: Leukocytes (defense/immunity)


●● Platelets
Answer: Thrombocytes (clotting)


●● The production and differentiation of blood cells
Answer: Hematopoiesis


●● Production and differentiation of red blood cells

,Answer: Erythropoiesis


●● Production and differentiation of white blood cells
Answer: Leukopoiesis


●● Hematopoiesis happens here in early fetal life
Answer: Yolk sac


●● Hematopoiesis happens here around the 4th month of gestation
Answer: Liver and spleen


●● Hematopoiesis happens here around the 7th month of gestation
Answer: Bone marrow


●● Up until ~ 6 years old hematopoiesis happens here in almost all
bones
Answer: Red marrow


●● Hematopoiesis happens here from 6 ~ 20 years old
Answer: Red marrow in the long and flat bones


●● At 20 years red marrow is produced mostly in...

, Answer: Flat bones


●● Hematopoiesis during gestation
Answer: Yolk sac -> liver -> bone marrow


●● The percentage of yellow marrow by the time we reach adulthood
Answer: 50%


●● Bone marrow produces
Answer: Erythrocytes (RBC's)
Thrombocytes (Platelets)
Granulocytes (WBC's)
Monocytes (WBC's)


●● Lymph tissue (lymph nodes, thymus, spleen) produce
Answer: Lymphocytes (WBC's)


●● BM recognizes blood loss and automatically makes more cells
Answer: Good production


●● Disorders cause over-production of one cell type; cancers
Answer: Bad production