Spinal Cord Touro Neuroscience Quiz

25 Questions | Total Attempts: 207

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Spinal Cord Injury Quizzes & Trivia

Quiz for the spinal cord for Touro Neuroscience course


Questions and Answers
  • 1. 
    The spinal cord extends from the foramen magnum to _________________.
    • A. 

      T11-T12

    • B. 

      L1-L2

    • C. 

      S1-S2

    • D. 

      L4-L5

  • 2. 
    The cervical enlargement is located between___________ and is enlarged due to the _______________.
    • A. 

      C1-C4, cervical plexus for head and neck region making the dorsal gray matter bigger.

    • B. 

      C1-C4, brachial plexus for upper limbs making the dorsal gray matter bigger

    • C. 

      C4-T1, brachial plexus for upper limbs making the dorsal gray matter bigger

    • D. 

      C4-T1, brachial plexus for respiratory function making the dorsal gray matter bigger

  • 3. 
    The anterior spinal artery branches are located in the ____________.
    • A. 

      Anterior medial fissure

    • B. 

      Anterolateral tract

    • C. 

      Anterolateral sulcus

    • D. 

      Anterior medial sulcus

  • 4. 
    In the upper thoracic and cervical spinal cord, the posterior intermediate sulcus divides the ____________.
    • A. 

      Anterolateral tract from dorsal columns

    • B. 

      Dorsal columns

    • C. 

      Anterolateral tract from the corticospinal tract

    • D. 

      Corticospinal tract

  • 5. 
    There are ________ pairs of spinal nerves and the region that has one more than it's number of vertebrae is the _________.
  • 6. 
    Spinal nerve T7 emerges between T6 and T7.
    • A. 

      True

    • B. 

      False

  • 7. 
    GSA, somatic sensory fibers, transmit information from _______________.
    • A. 

      Receptors for hearing and vision

    • B. 

      Mechanoreceptors and nociceptors

    • C. 

      Receptors in skin, muscle, tendons, and joints

    • D. 

      Receptors in smooth muscle, cardiac muscle and glands

  • 8. 
    Local anesthetic drugs are injected into this space to anesthetize the lumbar and sacral spinal nerves during operative procedures and for postoperative pain control
    • A. 

      Sub-pia mater

    • B. 

      Subarachnoid

    • C. 

      Subdural

    • D. 

      Epidural

  • 9. 
    The spinal cord is stabilized by these structures:
    • A. 

      Denticulate ligaments

    • B. 

      Collagen fibers of subarachnoid space

    • C. 

      Filum terminale

  • 10. 
    The filum internim is a continuation of a pial thread that caudally pierces the thecal sac to become surrounded by dura and attach to the coccyx.
    • A. 

      True

    • B. 

      False

  • 11. 
    The dorsal horn contains laminae:
    • A. 

      VII

    • B. 

      I-VI

    • C. 

      X

    • D. 

      VIII & IX

  • 12. 
    Lamina ____________ recieves descending motor pathways and proprioceptive input from the periphery and is located in the _________.
    • A. 

      VI, ventral horn

    • B. 

      VI, dorsal horn

    • C. 

      VII, intermediate zone

    • D. 

      VII, central canal

  • 13. 
    The _________of Clarke (Clarke’s column) is found in the dorsal medial part of lamina VII at spinal segments _______. The nucleus receives proprioceptive input from muscle and sends axonal projections to the ipsilateral cerebellum (dorsal spinocerebellar tract).
    • A. 

      Posteromarginal nucleus, C8-L2

    • B. 

      Substantia gelatinosa, T4-L2

    • C. 

      Nucleus dorsalis, C8-L2

    • D. 

      Interomediolateral cell column, T1-L2

  • 14. 
    The ____________nucleus is located in spinal segments C3-C5.
    • A. 

      Somatic motor

    • B. 

      Phrenic

    • C. 

      Nucleus dorsalis

    • D. 

      Cervical autonomic

  • 15. 
    Nuclei in the ventral horn are somaticotopically arranged so that the flexors are dorsally located and the extensors are ventrally located.
    • A. 

      True

    • B. 

      False

  • 16. 
    The crossed extensor reflex refers to
    • A. 

      Signal crosses through the dorsal horn to directly stimulate the withdrawl from nocioceptive stimulis by activating extensors and inhibiting flexors in ipsolateral leg.

    • B. 

      Signal transversing the midline and activation of extensors contralaterally to support the body on the opposite leg.

    • C. 

      The nocioceptive signal synapses on the contralateral side and so the withdrawl signal must cross the midline to activate the extensors and inhibit the flexors in the correct leg

    • D. 

      Motor pathways cross in the intrafusal muscles while delivering withdrawl signal to extensors.

  • 17. 
    The myotactic reflex stimulates ____________ muscles and inhibits ___________ muscles from the tapped tendon.
    • A. 

      Contralateral, ipsolateral

    • B. 

      Opposite, same

    • C. 

      Intrafusal muscles, extrafusal muscles

    • D. 

      Same, opposite

  • 18. 
    The corticospinal tract conveys______________.
    • A. 

      Discriminative touch, vibration, joint position

    • B. 

      Sensory from the upper extremities

    • C. 

      Skilled, volitional movement

    • D. 

      Crude touch, pain, temperature

  • 19. 
    Spinocerebellar tract motor information is under conscious control.
    • A. 

      True

    • B. 

      False

  • 20. 
    If you took an axial CT scan at the level of S3, would you be able to visualize the cuneatus tract?
    • A. 

      No, because the spinal cord white matter does not descend as far as S3

    • B. 

      No, because this white matter tract is only above T6 as it has signals from upper extremities

    • C. 

      Yes, because it is continuous through the entire spinal cord

    • D. 

      Yes, because this white matter has fibers that convey information from the lower extremities

  • 21. 
    Internal arcuate fibers of the dorsal column tract decussation in the ____________.
    • A. 

      Thalamus

    • B. 

      Medulla

    • C. 

      Midbrain

    • D. 

      Immediately in the spinal cord segment

  • 22. 
    Which tract has a lesion if coordination problems begin to occur?
    • A. 

      Spinocerebellar

    • B. 

      Corticospinal

    • C. 

      Dorsal column

    • D. 

      Anterolateral system

  • 23. 
    All of the fibers in the coricospinal tract decussate in the medulla.
    • A. 

      True

    • B. 

      False

  • 24. 
    The rubrospinal tract is the minor descending motor pathway for the _______________.
    • A. 

      Lower limbs

    • B. 

      Respiratory muscles

    • C. 

      Upper limbs

    • D. 

      Intrinsic back muscles

  • 25. 
    Reticulospinal tract is responsible for_______________________
    • A. 

      Excitatory to extensor (antigravity) musculature and act to maintain body posture and orientation in space

    • B. 

      Unconscious coordination signals

    • C. 

      Flex arms and forearms

    • D. 

      Extensor muscle posture and tone

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