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WorksheetsErythropoiesis
Total questions: 10
Worksheet time: 7mins
During the second trimester of pregnancy, where is the predominant site of RBC production?
Yolk sac
Bone marrow
Lymph nodes
Liver
What function do vitamin B12 and folic acid perform that is critical to hematopoiesis?
Support porphyrin production
Serve as cofactors for iron uptake
Support terminal differentiation of erythroid and myeloid cells
Support production of thymidine triphosphate
Ishika, Advait, and Akhil are astronauts preparing for a mission to Mars. They are curious to know, after being placed in an atmosphere with low oxygen, how long does it take for increased numbers of reticulocytes to develop in their bodies?
6 hours
12 hours
3 days
7 days
What is the first stage of erythropoiesis?
Erythroblast
Proerythroblast
Normoblast
Reticulocyte
Which organ primarily produces the hormone erythropoietin (EPO)?
Heart
Liver
Kidneys
Lungs
What does the presence of nucleated red blood cells in a sample of bone marrow indicate?
Healthy erythropoiesis
Underproduction of red blood cells
Dehydration
Release of incompletely developed cells due to excess demand
A 45-year-old patient presents with chronic kidney disease and is experiencing anemia. The physician recommends erythropoietin (EPO) therapy to stimulate erythropoiesis. How does EPO therapy primarily affect erythropoiesis?
It increases the number of reticulocytes in the bloodstream.
It reduces the production of white blood cells.
It enhances the absorption of iron from the gastrointestinal tract.
It promotes the breakdown of old red blood cells in the spleen.
Erythropoiesis primarily occurs in the (a) in adults.
During------------------ stage of erythropoiesis the nucleus is extruded.
(a)
The final stage of erythropoiesis is the production of a(n) (a) , which is released into the bloodstream
