3. Which of the following statements is true about the plasma level of erythropoietin hormone? (a) The plasma level of erythropoietin hormone increases with the drop in the level of hemoglobin (b) The plasma level of erythropoietin hormone decreases with the rise in the level of hemoglobin (c) The plasma level of erythropoietin hormone decreases with the drop in the level of hemoglobin (d) The plasma level of erythropoietin hormone increases with the rise in the level of hemoglobin
The correct answer is b. It stimulates red blood cell production by affecting progenitor cells.
