Which Of The Following Might Trigger Erythropoiesis?
a. Hypoxia of EPO-producing cells.
b. Increased number of RBCs.
c. Moving to a lower altitude.
d. Decreased tissue demand for oxygen.
The correct answer is a. Hypoxia of EPO-producing cells.
Erythropoiesis is the process of making new red blood cells (RBCs). This is done within the bone marrow when there is free erythropoietin (EPO) in the blood. Due to endogenous EPO’s ability to increase red blood cell count, it has become a banned substance in sports.