Nervous System II

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Author:
teloff
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65722
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Nervous System II
Updated:
2011-02-11 15:14:33
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Chapter Nervous System Medical Coding
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Description:
Nervous System, Ch 10
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  1. Brain components
    • Cerebrum
    • Cerebellum
    • Brain Stem
  2. Lobes of the cerebrum
    • frontal
    • parietal
    • occipital
    • temporal
    • insula
  3. Frontal lobe responsible for:
    • motor function
    • behavior and emotions
    • memory storage
    • thinking
    • smell
  4. Parietal lobe responsible for:
    • body sense
    • perception
    • speech
  5. Occipital lobe responsible for:
    vision
  6. Temporal lobe responsible for:
    • hearing
    • taste
    • integration of emotions
    • language comprehension
  7. Insula responsible for:
    autonomic functions
  8. Cerebellum responsible for:
    • called the "little brain"
    • sensor & motor coordination
    • balance
  9. Sulcus (sing. sulci)
    grooves on the surface of the cerebrum
  10. gyri
    ridges on the surface of the cerebrum
  11. Precentral gyrus
  12. Postcentral gyrus
  13. Broca's area
    • located in frontal lobe
    • controls motor output for speech
    • located in the left hemisphere
  14. Wernicke's area
    • a general interpretive area for many types of sensory info and may integrate much of the sensory info coming to the cerebral cortex.
    • located in the left hemisphere
  15. Cerebellum
    • posterior to the brain stem
    • important to sensory & motor coordination and balance
  16. The brain stem is divided into 3 sections
    • medulla oblongata
    • pons
    • midbrain
  17. Medulla Oblongata
    responsible for impulses that control heartbeat, breathing and the muscle tone in blood vessels, which controls blood pressure
  18. Pons
    • superior to the medulla oblongata
    • connects the M.O. and the cerebellum to the upper portions of the brain
    • plays important role in breathing
  19. Midbrain
    • Most superior portion of the brain stem
    • acts as a two-way conduction pathway to relay visual and auditory impulses and other info to the cerebrum
  20. The Brain Stem
    • receives sensory info
    • contains control systems for vital functions such as blood pressure, heart rate and breathing
    • controls the vital functions of life
  21. Meningitis
    inflammation of the meninges (covering of the brain and spinal cord)
  22. Cortex (cerebral cortex & cerebellar cortex)
    the layer of gray matter surrounding the white matter in the brain
  23. Nuclei
    deep "islands" of gray matter surrounded by white matter throughout the brain
  24. Ventricles
    fluid-filled cavities in the brain
  25. corpus callosum
    thick white band of nerve fibers that connects the two hemispheres of the cerebrum and allows them to communicate and coordinate their activities
  26. the Diencephalon consists of:
    • thalamus
    • hypothalamus
    • pineal body
    • pituitary gland
  27. thalamus
    relays and processes information going to the cerebrum
  28. hypothalamus
    regulates hormone levels, temperature, water-balance, thirst, appetite and some emotions (pleasure & fear); regulates the pituitary gland and controls the endocrine system
  29. pineal body
    responsible for secretion of melatonin (body clock)
  30. pituitary gland
    secretes hormones for various functions; known as the master gland of the body
  31. Cranial Nerves (12 pair)
    • Olfactory
    • Optic
    • Oculomotor
    • Trochlear
    • Abducens
    • Trigeminal
    • Facial
    • Vestibulocochlear
    • Glossopharyngeal
    • Vagus
    • Accessory
    • Hypoglossal
  32. There are 31 pair of spinal nerves
  33. Somatic sensory association area
    located in the parietal lobe just posterior to the somatic sensory cortex

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