The Nurse Is Caring for a Patient Newly Diagnosed with a Primary

The nurse is caring for a patient newly diagnosed with a primary brain tumor. The patient asks the nurse where his tumor came from. What would be the nurses best response?

A) Your tumor originated from somewhere outside the CNS.
B) Your tumor likely started out in one of your glands.
C) Your tumor originated from cells within your brain itself.
D) Your tumor is from nerve tissue somewhere in your body.