What is the role of hematopoietic growth factors? to influence hemocytoblasts to give rise to specific formed elementsto stimulate an increase in the rate of blood clot formationto stimulate the liver to produce more clotting factorsto increase the rate at which white blood cells exit capillaries via diapedesis?

The role of hematopoietic growth factors is to influence hemocytoblasts to give rise to specific formed elements and reduce the severity of anemia. In addition, it also decrease transfusion requirements in patients with cancer and it cause differentiation of stem cells toward a particular cell type, inducing the proliferation of cells and by favoring maturation of the cells.  

What are the answers