HSC 350- Final Exam Guide - Comprehensive Notes for the exam ( 45 pages long!)
Document Summary
Subdural- below, rupture of bridging veins, symptoms often go misdiagnosed, ct scan is a good way to diagnose. Pain across whole head) trigeminal nerve and ganglia activated) More cervical nerves activated when you have neck/ back pain. Cluster headache- also called suicide headaches, comes in clusters eg: a few each day for weeks at a time and than a break. Brain consumes 20% of o2 and 25% of glucose. Know middle cerebral artery, anterior cerebral artery, posterior cerebral arteries. 3 layers of the meninges cover the brain and spinal cord. Dura matter- thickest, outermost layer, protective, impermeable: periosteal layer attached to inner surface of skull, meningeal layer covering the brain. Arachnoid matter middle layer, impermeable, adjoins dura (not tightly bound potential. Subdural space) separated from pia by subarachnoid space that is filled with csf. Pia matter delicate, permeable, innermost, resting on the brain surface. Both layers are closely united except at venous sinuses.
