TEST 2026 PRACTICE QUESTIONS AND
ACCURATE ANSWERS GRADED A+
◉ blood cell formation in adults over 20. Answer: red marrow in
large bones
-illium, vertebrae, cranium, jaw, sternum, ribs, humerus, and femur
◉ Erythropietin. Answer: Produce: Kidney (small amount in liver)
Released: Kidney
Target: Bone Marrow
Functions: Stimulates bone marrow to produce more red blood cells
◉ hematopoietic stem cells. Answer: The stem cells that give rise to
RBC WBC and platelets through the process of haematopoiesis.
◉ How does a hematopoietic stem cell produce a red blood cell.
Answer: hematopoietic stem cells produces an unndifferentiated
hemocytoblast
- erythropoietin binds to it and createsa a proerythroblast
, - cell develops into an erythrocyte 7 days later
◉ Erythrocyte function. Answer: transport oxygen and carbon
dioxide
◉ Erythrocyte life span. Answer: 120 days
◉ anemia risk factors. Answer: acute or chronic blood loss,
increased hemolysis, inadequate dietary intake or malabsorption,
bone marrow suppression, age
◉ function of hemoglobin. Answer: In red blood cells, carries oxygen
from the lungs to body's tissues and returns carbon dioxide from
tissues back to lungs. It also maintains the shape of red blood cells.
◉ causes of anemia. Answer: - impaired RBC production
- excessive blood loss
- increased RBC destruction
◉ hemolytic anemia. Answer: premature destruction of RBCs
◉ causes of hemolytic anemia. Answer: infection