Med-Surg Exam 7

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mel26704
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Med-Surg Exam 7
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2012-06-11 20:16:56
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Nervous system exam med surg
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Med-Surg Exam 7: Nervous system; lessons 1-5
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  1. Cranial nerves:
    O
    O
    O
    T
    T
    A
    F
    A
    G
    V
    A
    H
    • Olfactory
    • Optic
    • Oculomotor
    • Trochlear
    • Trigeminal
    • Abducens
    • Facial
    • Acoustic
    • Glossopharyngeal
    • Vagus
    • Accessory (Spinal)
    • Hypoglossal
  2. Olfactory:
    Cranial nerve number __
    Function:
    Test:
    • I
    • Smell
    • Common odors to one nostril at a time
  3. Optic
    Cranial nerve number __
    Function:
    Test:
    • II
    • Vision
    • Visual acuity/fields/optic disc
  4. Oculomotor
    Cranial nerve number __
    Function:
    Test:
    • III
    • Movement of the eye, pupils, raises upper eyelid
    • EOMs, doll's eyes, light exam
  5. Trochlear
    Cranial nerve number __
    Function:
    Test:
    • IV
    • Movement of eye (down and inward)
    • EOMs, doll's eyes
  6. Trigeminal
    Cranial nerve number __
    Function:
    Test:
    • V
    • Facial sensation to hot/cold, light touch, chewing
    • Clinch jaw/check masseter and temporalis muscles; jaw and corneal reflex
  7. Abducens
    Cranial nerve number __
    Function:
    Test:
    • VI
    • Movement of eye laterally
    • EOMs, doll's eyes
  8. Facial
    Cranial nerve number __
    Function:
    Test:
    • VII
    • Facial expression; salivation, lacrimination, taste
    • Smile, frown, show teeth, puff out cheeks, taste (anterior side of tongue), close eyes
  9. Acoustic
    Cranial nerve number __
    Function:
    Test:
    • VIII
    • Hearing, equalibrium
    • vestibular usually not tested
  10. Glossopharyngeal
    Cranial nerve number __
    Function:
    Test:
    • IX
    • Motor response limited; sensory on posterior tongue; innervates carotid body and sinus
    • Swallow on command, gag reflex, taste
  11. Vagus
    Cranial nerve number __
    Function:
    Test:
    • X
    • Movements of pharynx and larynx (raises the palate), innervates organs of thorax abdomen
    • Gag reflex, midline elevation of uvula
  12. Spinal accessory
    Cranial nerve number __
    Function:
    Test:
    • XI
    • Movements of shoulders and neck
    • Shrug shoulders and turn head against resistance
  13. Hypoglossal
    Cranial nerve number __
    Function:
    Test:
    • XII
    • Movement of tongue for speech and swallowing
    • Protrude tongue
  14. What is the basic structural and functional unit of the nervous system?
    Neuron
  15. The most accurate and reliable indicator of neurologic status is the _________________.
    Level of consciousness
  16. Status epilepticus is treated with intravenous_________________ drugs.
    anticonvulsant
  17. Main drug used for Parkinson's disease is _________ and it crosses the _______________ and is converted to _____________ in the basal ganglia.
    • L-dopa
    • Blood-brain barrier
    • Dopamine
  18. Part of the brain that controls vital, basic functions, including respiration, heart rate, and consciousness:
    Brain stem
  19. Part of the brain that uses information received from the cerebrum, muscles, joints, and inner ear to coordinate movement, balance, and posture:
    Cerebellum
  20. An episode of neurologic dysfunction caused by focal brain, spinal cord, or retinal ischemia without acute infaction:
    TIA
  21. A type of hemorrhage stroke that is associated with trauma, uncontrolled hypertension, and aneurysms:
    Intracerebral hemorrhage
  22. Type of stroke that accounts for the majority of all strokes:
    Ischemic stroke
  23. Acts as a miniature nervous system:
    neuron
  24. Designed to transmit info along its extension away from the cell body to adjacent neurons:
    axon
  25. Designed to receive info from axon terminals at synapses and conduct impluses to the cell body:
    dendrite
  26. Inside of the neuron is high in ___________.
    proteins and potassium
  27. Outside of the neuron is high in _______.
    sodium
  28. Transmit info within the nervous system/basic phenomenon underlying all nervous system function:
    Action potentials
  29. C1-L2 is the __________________.
    Spinal cord
  30. The meninges __________, ___________, and ___________ the brain and spinal cord.
    • support
    • protects
    • nourishes
  31. Layers of the meninges from outer to inner:
    • dura mater
    • arachnoid
    • pia mater
  32. Layer of the meninges that consists of 2 layers:
    dura mater
  33. Layer of the meninges that has many small plexuses of blood vessels:
    pia mater
  34. 4 main areas of the brain:
    • cerebrum
    • diencephalon
    • brainstem
    • cerebellum
  35. The thalamus and hypothalamus is located in the _____________.
    Diencephalon
  36. The midbrain, pons, and medulla are located in the _______________.
    Brainstem
  37. Divided into 2 frontal lobes, 2 parietal lobes, 2 temporal lobes, and 2 occipital lobes:
    cerebrum...AKA cerebral cortex
  38. The corpus callosum connects the __________________ of the brain:
    right and left hemispheres
  39. Part of the brain that controls higher functions and activities, conscious mental processes, sensations, emotions, and voluntary movements:
    cerebrum
  40. AKA interbrain:
    diencephalon
  41. The ____________ is located in the diencephalon and regulates all sensation except smell.
    Thalamus
  42. The _________________ is located in the diencephalon and controles the pituitary.
    hypothalamus
  43. Purposes of cerebrospinal fluid:
    • acts as a cushion for nervous tissue
    • supports the weight of the brain
    • carries nutrients to the brain
    • removes metabolites
  44. Peripheral nervous system is divided into the __________ and ____________ nervous systems.
    • somatic
    • autonomic
  45. Normal age related changes:
    • loss of brain cells/brain weight
    • nerve cell loss
    • decrease in blood flow to brain
    • nervous system become more unpredictable
    • slowing of sensory and motor conduction
  46. Test performed to measure pressure and obtain CSF for examination:
    lumbar puncture
  47. A rare, chronic disease that affects the myoneural junction:
    Myasthenia Gravis
  48. A dx of MG is made by a positive ___________ test.
    Tensilon
  49. A temporary but profound disruption of spinal cord function that occurs immediately after injury that is a state of areflexia, causes complete loss of all motor, sensory, reflex, and autonomic functioning:
    Spinal shock

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