Which of the Following Is True of a Benign Brain

Multiple Choice

Which of the following is true of a benign brain tumor?

A) Benign tumors cause damage through glutamate release.
B) Benign tumors damage brain tissue by infiltration.
C) The flow of CSF can be increased by a growing benign tumor.
D) Benign tumors are encapsulated.
E) Benign tumors induce apoptosis cascades which kill neurons.