Which of the following growth factors is involved in the regulation of megakaryopoiesis?

A Erythropoietin
B Granulocyte-colony stimulating factor
C Thrombopoietin ✓
D Interleukin-3

Explanation

Thrombopoietin is a growth factor that regulates the production of platelets by stimulating the proliferation and differentiation of megakaryocytes, the bone marrow cells responsible for platelet production.

Source

Kaushansky (2005) Thrombopoietin and the hematopoietic system
Hematology Hematology: Hematopoiesis Hematology: Hematopoiesis Easy MEDICAL Confidence: high