Erythropoiesis and Coagulation Quiz

Which is the earliest recognizable cell in erythropoiesis?

• Reticulocyte

• Proerythroblast

• Normoblast

• Megakaryocyte

Erythropoiesis predominantly occurs in adults at?

• Liver

• Femur

• Red bone marrow of flat bones

• Yolk sac

Which hormone is the major stimulator of erythropoiesis?

• Insulin

• Erythropoietin

• Testosterone

• Thyroxine

Erythropoietin is primarily secreted by?

• Liver

• Red bone marrow

• Kidneys

• Spleen

During fetal life, erythropoiesis in the liver is most active during?

• First trimester

• Second trimester

• Third trimester

• Birth

Final stage of erythrocyte maturation before becoming a mature RBC is?

• Normoblast

• Reticulocyte

• Proerythroblast

• Myelocyte

Which of the following is a nutrient essential for DNA synthesis in erythropoiesis?

• Iron

• Vitamin B12

• Vitamin C

• Copper

Which of the following is needed for hemoglobin synthesis?

• Zinc

• Iron

• Vitamin D

• Calcium

Intrinsic pathway is initiated by?

• Tissue damage

• Exposure to collagen

• Thromboplastin

• Calcium

Extrinsic pathway is initiated by?

• Platelet aggregation

• Endothelial injury

• Tissue thromboplastin

• Calcium