A Patient with Symptoms of Impending Stroke Is Scheduled to Have

A patient with symptoms of impending stroke is scheduled to have a cerebral angiogram.Which statement should the nurse include when assisting with patient teaching?

A) "This test is designed to detect vascular lesions in the brain."
B) "The angiogram is done to help identify swelling in the brain."
C) "We need to do this to evaluate electrical function of the brain."
D) "This test is done to examine cerebrospinal fluid for signs of bleeding."