Nervous System Workbook

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lunchbox
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66539
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Nervous System Workbook
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2011-02-20 20:04:46
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CBC Radiology Nervous System
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Nervous System Workbook Cards
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  1. The ___________ system consists of the cranial, spinal, and autonomic nerves.
    peripheral nervous system (PNS)
  2. _______ neurons, also known as sensory, carry impulses to the CNS from peripheral receptors.
    Afferent
  3. Efferent neurons conduct impulses away from the ______ to the ________ effectors.
    • CNS
    • peripheral
  4. The smooth muscle, cardiac muscle, and gladular epithelial tissue are controlled by the _________ nervous system.
    autonomic
  5. The basic unit of the nervous system is the ______.
    neuron
  6. A single threadlike extension, an ______ leads away from the nerve cell body.
    axon
  7. To increase the rate of transmission of nervous impulses, the axon is insulated by the?
    myelin sheath
  8. A chemical reaction permits the travel of impulses from the dendrite to the next axon at the ________.
    synapse
  9. The neurons that carry the impulse to the skeletal muscle to cause movement are called the ______ or ______ neurons.
    motor, efferent
  10. The thin layer of gray matter where nerve cell bodies are concentrated is the ______ of the cerebrum.
    cortex
  11. The two hemispheres are callled the ________.
    cerebrum
  12. High elevated convolutions on the surface of the of the cerebrum are the?
    gyri
  13. _______ matter is the inner area of the cerebrum consisting of nerve fiber tracks.
    White
  14. The cerebral cortex is responsible for receiving ________ information from the body and for triggering impulses to control _______ activity.
    • sensory
    • motor
  15. _______ impulses are transmitted to the posterior portion of the brain.
    Visual
  16. Stimulation on one side of the cerebral cortex causes contraction of muslce on the ______ side of the body.
    opposite
  17. The ___________ connects the two cerebral hemispheres by a mass of white matter.
    corpus collosum
  18. The caudate nuclei, globus pallidus and putamen make up the ___________.
    basal ganglia
  19. The _________ is composed of the midbrain, the pons, and the medulla.
    Brainstem
  20. The coordination of muscle groups by the _________ helps to maintain equilibrium and posture.
    cerebellum
  21. Name the three meningeal layers, from the intermost to the outer layer.
    • pia mater
    • archnoid
    • dura mater
  22. The third and fourth ventricale are connected by the ___________.
    aqueduct of Sylvius
  23. the superior portion of the third ventricle, which connects the lateral ventricles, is known as the __________.
    foramen of Monroe
  24. The choroid plexis is located in the ________ and the roofs of the third and fourth ventricles.
    lateral ventricles
  25. The _____________ is a tentlike covering over the cerebellum that separates it from the occipital lobe of the cerebrum.
    tentorium cerebri
  26. What are the two divisions of the nervous system?
    • peripheral nervous system
    • central nervous system
  27. The third ventricle, thalamus, and hypothalamus are three structures found in the ________.
    diencephalon
  28. Mumps, polio, and possibly herpes simplex cause ______ meningitis.
    viral
  29. Acute inflammation of the meninges (pia mater and arachnoid) is called?
    meningitis
  30. Mild headaches and fever to more severe cerebral dysfunction, seizures, and a coma may result from the viral infection of the brain called?
    encephalitis
  31. In ________ empyema, the infectious process is localized outside the dural membrane.
    epidural
  32. What are the two suppurative processes of the CNS?
    • subdural empyema
    • epidural empyema
  33. A stellate fracture has multiple fracture lines radiating outward from a central point, is usually found in the skull, and is known as a _______ fracture.
    depressed
  34. What are the four different types of cerebral hematomas?
    • subdural
    • epidural
    • subarachnoid
    • intracerebral
  35. A ______ hematoma demonstrates an increased density that has a crescent shape adjacent to the inner table of the skull.
    subdural
  36. Thefrontal and anterior temporal regions are the most common site of injury demonstrating edema and hemorrhage in cases of _____________ contusions.
    cerebral
  37. The evidence of bleeding as increased density within the basiliar cisterns, cerebral fissures, and sulci indicate a _________ hemorrhage.
    subarachnoid
  38. The ________ fracture can be hammocklike or trap-door variety, which is best demonstrated in _____.
    • blowout
    • CT
  39. A ______ fracture results in a free-floating zygoma, causing disfiguration is not treated.
    tripod
  40. The ______ of the mandible is the most common fracture site of the jaw.
    angle
  41. The most common facial fracture is a fracture of the ?
    nasal bones
  42. Processes causing _______ disease include abnormal vessel walls, occlusions, blood vessel ruptures, and decreased blood flow.
    cerebralvascular
  43. An embolic stroke or stenosis causing a temporary blockage of a cerebral vessel is a?
    TIA- transient ischemic attack
  44. _____ is the most sensitive modality for detecting most suspeted brain tumors.
    MRI
  45. Seizure disorders and gradual neurologic deficits are the clinical signs of a ______ in the CNS.
    tumor
  46. An _______ neuroma usually originates in the IAC and extends into the cerebellopontine angle cistern.
    acoustic
  47. In MR, single or multiple masses presenting a high signal intensity on a T2 weighted image situated at the junction between gray matter and white matter is ________ carcinoma.
    metastatic
  48. _____ mal is the mildest type of epilepsy, which primarilly occurs in children.
    Petit
  49. Stooped posture, stiff and slow movement, fixed facial expression and involuntary tremors are characteristic signs of ____________.
    Parkinson's disease
  50. Atrophy of the caudate nucleus and putamen is the hallmark of _______ disease.
    Huntington's
  51. Two types of hydrocephalus?
    • noncommunicating
    • normal pressure
  52. _____ arc are impulses conducted to and from.
    Reflex
  53. _____ neurons are impulses that travel from the CNS to the PNS.
    Motor
  54. The junction between neurons is called the?
    synapse
  55. One or more threadlike extensions leading toward the cell body are called?
    dendrites
  56. Afferent and efferent nerves are part of the ______ system
    peripheral nervous
  57. The brain and spinal cord are part of the ______ system.
    Central nervous
  58. ________ absorbs CSF into the venous blood circulation.
    Arachnoid villi
  59. CSF is housed here.
    Subarachnoid space
  60. ___________ controls position and automatic movements.
    Basal ganglia
  61. Delicate weblike middle covering of the CNS.
    arachnoid membrane
  62. The hypothalamus is termed the link between the mind and _______.
    body
  63. The cortex is the ______ portion of the cerbrum.
    outer
  64. _________ produces CSF.
    Choroid plexus
  65. _______ resembles a worm coiled on itself.
    Vermis
  66. __________ separates (not connects) the cerebral hemispheres.
    Falx cerebri
  67. The _____ is the superior portion of the brainstem.
    midbrain
  68. ________ fracture is a bilateral and horizontal fracture of the maxillae.
    Le Fort
  69. ________ meningitis is commonly caused by Haemophilus influenzae in neonates and young adults.
    bacterial
  70. _______ fracture is caused from a direct blow to the front of the orbit caused by a rapid increase in intraorbital pressure.
    Blowout
  71. _________ is a focal neurologic deficit that completely resolves in 24 hrs.
    TIA
  72. ______ fracture is a fracture of the zygomatic arch, orbital floor, and a separation of the zygomaticofrontal suture.
    Tripod
  73. ________ hematomas are most commonly ruptured veins between the dura and the arachnoid.
    Subdural
  74. Sudden and dramatic development of a focal neurologic deficit?
    stroke
  75. Suppurative process between the dura mater and arachnoid?
    subdural empyema
  76. Viral inflammation of the brain and meninges?
    encephalitis
  77. ______________ causes gigantism in adolescents and acromegaly in adults.
    Pituitary adenoma
  78. Dilation of the ventricles?
    hydrocephalus
  79. _____ neuroma appears as a focal spot or generalized enlargement of cranial nerve VIII.
    acoustic
  80. Germinomas and teratomas are types of _______ tumors
    pineal
  81. Most common primary malignant brain tumor consisting of _____ cells, is a?
    • glial cells
    • glioma
  82. Slow growing tumors that form large cavities or pseudocysts?
    astrocytomas
  83. Tumor arrising from arachnoid lining cells and attached to the dura mater?
    meningoma
  84. The most common form of inflammation of the pia mater and arachnoid is?
    bacterial meningitis
  85. Brain mets usually originate in the?
    lung and breast
  86. A hematoma occuring after a blunt head injury causing venous bleeding is a?
    subdural hematoma
  87. Streptococci is the most common cause of?
    brain abscess
  88. A _____ consists of the multiplication of glial cells, which spread by direct contact.
    glioma
  89. A ____ grows slowly, arising from Schwann cells on the eighth cranial nerve.
    acoustic neuroma
  90. A meningioma is a benign tumor arrising from the arachnoid lining cells and is attached to the ______.
    dura
  91. An air-fluid level seen in the spheniod sinus is indicitive of a _____ skull fracture.
    basilar
  92. Tumors arising from the embryonic neural tube commonly found at the clivus are considered?
    chordomas
  93. Acute arterial bleeding most commonly caused by a laceration of the medial meningeal artery is a _______ hematoma.
    epidural
  94. Scattered plaques of demyelination on MR images is indicitive of?
    Multiple Sclerosis
  95. The essence of this condition seems to be an inadequate production of dopamine in cases of ______ disease.
    Parkinson's

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