326Neurological Assessment fa10

326Neurological Assessment fa10 - Neurological Assessment...

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Neurological Assessment N326
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Neurological Assessment Nervous System: Two parts Central Nervous System (CNS): brain and spinal cord Peripheral Nervous System CN: 12 pairs Spinal nerves: 31 pairs Carries sensory messages to CNS from sensory receptors, motor messages from CNS to muscles and glands
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Neurological Assessment Central Nervous System Cerebral cortex: center for higher functions Hemisphere Lobes: Frontal, parietal, occipital, temporal Wernicke’s area Broca’s area
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Neurological Assessment CNS Basal Ganglia: control movement Thalamus: relay station Hypothalamus: control center Cerebellum: coordination, equilibrium Brain Stem: midbrain, pons, medulla Spinal Cord
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Neurological Assessment CNS Pathways: Sensory Spinothalamic Tract: transmits pain, temperature, light touch Posterior Tract: position (proprioception), vibration, fine touch
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Neurological Assessment CNS Pathways: Motor Pyramidal (Corticospinal) Tract: higher motor system which produces very skilled and purposeful movements – writing Extrapyramidal Tract: lower motor system which maintains muscle tone and controls body movements, such as walking
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Neurological Assessment Cerebellar System: coordinates movement, maintains equilibrium and posture Upper and Lower Motor Neurons: convey impulses from motor areas of cerebral cortex to the lower motor neurons which are the final pathways Upper motor neuron disease: CVA, cerebral palsy, multiple sclerosis Lower motor neuron disease: spinal cord lesions, polio
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Neurological Assessment Peripheral Nervous System (PNS): nerves outside CNS Consists of Cranial Nerves Spinal Nerves Autonomic Nervous System Reflex Arc
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Neurological Assessment Developmental Considerations
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This note was uploaded on 05/31/2011 for the course NUR 326 taught by Professor Meneghini during the Fall '10 term at St. Xavier.

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326Neurological Assessment fa10 - Neurological Assessment...

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