What is the primary mechanism by which erythropoietin stimulates erythropoiesis in the bone marrow?

A Increasing iron absorption from the gut
B Stimulating the proliferation and differentiation of erythroid progenitor cells ✓
C Enhancing the survival of mature red blood cells
D Inhibiting the production of hepcidin

Explanation

Erythropoietin stimulates erythropoiesis by binding to its receptor on erythroid progenitor cells, promoting their proliferation and differentiation into mature red blood cells.

Source

Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Anemia Hematology: Anemia Medium MEDICAL Confidence: high