A nurse is explaining the difference between acute and chronic leukemia to a client. The nurse should include which statement about chronic leukemia?

A) This choice is incorrect because stem cells used in transplantation are typically not extracted from the client's cancerous tissues.

B) This choice is correct. In a stem cell transplant, stem cells are collected from the bone marrow of a matched donor (allogeneic transplant) or the client themselves (autologous transplant). These stem cells are then infused into the client's bloodstream to replace the damaged bone marrow and produce healthy blood cells.

C) This choice is incorrect because stem cells used in transplantation are not taken from a tumor.

D) This choice is incorrect because stem cells used in transplantation are not harvested from the client's peripheral blood.

A) This choice is incorrect because leukemia is not always caused by inherited genetic mutations. While genetic factors can contribute to the development of some types of leukemia, it is not the only cause.

B) This choice is incorrect because there are known genetic links to certain types of leukemia. For example, some forms of leukemia, such as chronic myeloid leukemia (CML), are associated with specific genetic mutations.

C) This choice is incorrect because genetic factors and environmental factors can both play a role in the development of leukemia. Some cases may be influenced more by genetic factors, while others may be influenced more by environmental factors.

D) This choice is correct. Leukemia can have various causes, including genetic mutations, exposure to certain environmental factors (e.g., radiation, certain chemicals), and viral infections. While some cases may have a genetic basis, others may be triggered by environmental factors or have an unknown cause.