Which of the Following Descriptions Best Matches the Term Colony

Question

Which of the following descriptions best matches the term colony stimulating factor?
A) adheres to collagen beneath endothelium
B) helper cells are one type
C) hormone that regulates white blood cell formation
D) kills bacteria using hydrogen peroxide
E) often elevated in allergic individuals

Accepted Answer

Colony stimulating factors (CSFs) are hormones that regulate the production and differentiation of white blood cells in the bone marrow. They stimulate the growth and differentiation of blood stem cells into various types of immune cells.