ch03 - Chapter3 Neurology Topics AnatomyandPhysiology...

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    Chapter 3 Neurology
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    Topics Anatomy and Physiology Pathophysiology General Assessment Findings Management of Nervous System  Emergencies
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    Introduction Nervous system conditions and dieseases  affect millions of lives in the Common ones include Stroke Epilepsy Parkinson’s disease Multiple sclerosis Syncope Headache
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    Soma - cell body, contains nucleus Dendrites - impulse to the soma Axons - impulse away from the soma Synapses - neuron junctions Neurotransmitter - communication  between synapse Acetylcholine Norepinephrine
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    Protective Structures Bones Membranes Cerebrospinal fluid
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    Jen’s note Anatomy and physiology Central nervous system  Neurons, synapses, and neurotransmitters
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    Anatomy and Physiology The Central Nervous System The Neuron Protective Structures The Brain The Spinal Cord
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    The Neuron Central Nervous  System  (1 of 7)
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    Central Nervous System  (2 of 7) Protective Structures The Skull
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    Protective  Structures The Spine Central Nervous  System  (3 of 7)
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    Central Nervous System  (4 of 7) Protective Structures The Meninges
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    Central Nervous System  (5 of 7) The Brain Divisions of  the Brain Areas of  Specialization
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    Central Nervous System  (6 of 7) The Brain Vascular  Supply
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    Central Nervous System  (7 of 7) The  Spinal  Cord
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    Anatomy and Physiology The Peripheral Nervous System 12 cranial nerves 4 categories Somatic sensory nerves Afferent: transmit touch, pressure, pain Somatic motor nerves Efferent: impulses o voluntary skeletal muscles The Autonomic Nervous System The Sympathetic Nervous System “Fight-or-flight” The Parasympathetic Nervous System “Feed-or-breed” or “rest-and-repair”
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    Visceral ( autonomic) sensory nerves  Afferent: transmit sesations from organ  ( gotta go) Visceral ( autonomic) motor nerves EFFERENT: INVOLUTARY  SMOOTH AND CARDIAC MUSLCE
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    Peripheral Nerves 43 pairs of nerves originate from the  CNS to form the PNS: 12 pairs of cranial nerves originating from  the brain 31 pairs of spinal nerves originating from  the spinal cord
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    Peripheral Nervous System
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    Pathophysiology  (1 of 2) Alteration in Cognitive Systems CNS Disorders Structural Lesions Toxic Metabolic States Other Causes Cardiovascular Respiratory Infections Drugs
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    Pathophysiology  (2 of 2) Peripheral Nervous System Disorders Mononeuropathy Polyneuropathy
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  General Assessment Findings  (1 of 5) Scene Size-up and Initial Assessment AVPU
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ch03 - Chapter3 Neurology Topics AnatomyandPhysiology...

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