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CNS- Spinal Cord - Anatomy PMU Year 1/2nd Semester

Med Student 41 preguntas

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Preguntas del test (41)

  1. 1Cells that convey information to the CNS are:
    1. Aafferent sensory neurons
    2. Bpseudounipolar cells
    3. Cfirst neuron is the sensory pathway
    4. Dlocated in the lateral horn of spinal cord
    5. Ewith peripheral processes ending on somatic or splanchnic receptor
  2. 2Dorsal roots of a spinal nerve:
    1. Aare formed by the central processes of sensory neurons in the spinal ganglion.
    2. Benter the ventrolateral sulcus of the spinal cord.
    3. Cconvey somatosensory (proprioseptive and visceroseptive) information.
    4. Dare covered with pia mater.
    5. Etake part in the formation of the spinal nerve.
  3. 3The ventral roots of a spinal nerve:
    1. Aconvey motor information to the skeletal muscles.
    2. Bexit through the ventrolateral sulcus of the spinal cord.
    3. Care ensheated with dura mater spinalis.
    4. Doriginate from interneurons in the ventral horn.
    5. Econtain autonomic fibers.
  4. 4The boundary between spinal cord and medulla oblongata is:
    1. Aforamen magnum.
    2. Bdecussatio pyramidum.
    3. Cexit of the first pair of spinal nerves.
    4. Dexit of the last pair of cranial nerves.
    5. Ecervical enlargement.
  5. 5A spinal segment is defined as that region of the spinal cord that
    1. Acorresponds to a collection of nerves passing up or down within the white matter
    2. Bcorresponds to the region of the vertebral column (i.e, cervical, thoracic, lumbar, and sacral) to which spinal nerves are sent
    3. Csends rootlets to a particular spinal nerve
    4. Dunderlies the neural arch of a particular vertebra in the adult
    5. Enone of the above
  6. 6The spinal cord in the adult
    1. Ausually ends about the level of the lower border of the first lumbar vertebra.
    2. Bhas its largest cross sectional area at the level of the lower cervical vertebrae.
    3. Chas an anterior median fissure and a posterior median septum.
    4. Dgives origin to the preganglionic fibers all the parasympathetic nerves.
    5. Ereceives its blood supply entirely from the vertebral arteries.
  7. 7The white matter of the spinal cord:
    1. Acontains myelin fibers, non-myelin fibers, and blood vessels.
    2. Bhas three columns.
    3. Chas white commissure posteriorly to the gray commissure.
    4. Dhas root system and conductive system.
    5. Eis covered with arachnoidea.
  8. 8The white matter of the spinal cord:
    1. Ais located around the gray matter
    2. Bcontains two main fascicles along the whole length of the dorsal column
    3. Ccontains fasciculi proprii (own bundles)
    4. Dventral funiculus contains fasciculus interfasciculatus (bundle of Schultze)
    5. Eventral funiculus is between ventral median fissure and ventral roots
  9. 9Grossly the spinal cord presents two swellings which are
    1. Acervical and thoracic
    2. Bcervical and lumbar
    3. Cthoracic and lumbar
    4. Dthoracic and sacral
    5. Elumbar and sacral
  10. 10All spinal nerves
    1. Aare formed by the union of a ventral and dorsal nerve root
    2. Bhave a ganglion containing synapses on their dorsal root
    3. Care named and numbered according to the vertebra below which they emerge
    4. Dreceive a grey ramus communicans from the sympathetic nerve trunks
    5. Egives off a white ramus communicans from the sympathetic nerve trunks

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Descripción
CNS- Spinal Cord - Anatomy
Idioma
English
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830
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