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26 Cards in this Set

  • Front
  • Back
2 Divisions of Nervous System
Somatic
Autonomic
Divisions of Autonomic Nervous System
Sympathetic & Parasympathetic
Define Astrocytes
living barrier between neurons and capillaries
Define Microglia cells
Phagocytes
Purpose of Ependymal cells
Line fluid filed cavities of CNS
Purpose of Oligodendrocytes
Form myelin sheaths around nerve fibers in the CNS
Define Obtunded
Lethargic, somnolent, response but goes back to sleep quickly
Define Stupor
May respond to painful or vigorous stimuli by moving away or grabbing at stimuli.
Define Decelerate
Abnormal extension, wrists and fingers flexed
Define Decorticate
Abnormal flexion, arms pulled up towards Chest
Define Flaccid
Unilateral flaccidity, no muscle movement
Lumbar puncture is the insertion of the spinal needled into subarachnoid space between ? and ? vertebra
Third and Fourth
After a lumbar puncture the patient should lay in what position?
Flat on back
Cerebral angiography will detect what two things?
Aneurysm
Narrowing of vessel in the brain
Purpose of electromyography?
Assesses electrical current of a skeletal muscle.
Electro-encephalography assesses?
The electrical activity of the brain.
Electro-encephalography's are used to diagnose what four things?
Epilepsy
Tumors
Cerebral damage
Confirm brain death.
What must be removed prior to an MRI?
Metal objects
Early signs and symptoms of ICP (LOC) (6).
Restlessness
Irritability
Personality changes
mild confusion
agitation
change to lower glascow coma scale.
Early Signs and symptoms of ICP in pupils (3).
Ptosis
Delayed or sluggish
Unilateral changes
Early Signs and symptoms of ICP in vision (3)
Blurred
Diplopia
Decrease in acuity
Early Signs and symptoms of ICP in Motor Function (2)
Decrease in grip strength
paralysis
Late signs and symptoms of ICP in LOC (1)
Difficult to arouse, coma
Late signs and symptoms of ICP in Pupils (1)
Unilateral enlargement, progression to fixed and dilated
Late signs and symptoms of ICP in motor function (1)
Decorticate, decelerate, to flaccid
Late S/S of ICP in Sensory (1)
Posture to painful stimuli