A) two
B) three
C) four
D) five
E) six

A) anchors the spinal cord to the coccyx.
B) is a tapered, cone like region immediately inferior to the lumbar enlargement.
C) marks the exit of nerves to the upper extremity.
D) is located adjacent to the foramen magnum.
E) is inferior to the cauda equina.

A) dural sinus
B) epidural space
C) subarachnoid space
D) subdural space
E) sagittal sinus