NURSING N223 - Med-Surg II Exam 2 Study Guide.

NURSING N223 - Med-Surg II Exam 2 Study Guide/NURSING N223 - Med-Surg II Exam 2 Study Guide. Topics: Nervous System, Spinal Cord Injuries (SCI), Stroke, Traumatic Brain Injury (TBI) Readings: I & W Chapters 41, 42, 43, 45; ATI Chapters 3, 14, 15, 16 STROKE: PATHOPHYSIOLOGY:  Brain: o Skull – protective layer; does not expand with brain swelling (either have to remove part of the skull or part of the brain to relieve swelling) o Meninges – protective covering of brain and spinal cord; help describe brain injuries  Epidural space – space between skull and outer layer of dura mater  Dura mater – most outside layer of brain  Subdural space – between dura mater and arachnoid  Arachnoid  Subarachnoid space – between arachnoid and pia mater  Pia mater – innermost layer of brain, where CSF circulates