Take Another Quiz

Spinal Cord, Spinal Nerves, Somatic Reflexes

41 Questions
Spinal Cord Injury Quizzes & Trivia
Questions and Answers
  • 1. 
    List the function of the spinal cord
  • 2. 
    List the three meningeal layers of spinal cord
    • A. 

      Dura mater

    • B. 

      Posterior horn

    • C. 

      Anterior horn

    • D. 

      Arachnoid mater

    • E. 

      Pia mater

    • F. 

      Grey commissure

  • 3. 
    • A. 

      True

    • B. 

      False

  • 4. 
    Central canal is made up of __________ fluid, and is located in____________.
  • 5. 
    Dura mater is made up of a__________layer of __________tissue and an _________space filled with___________tissue
  • 6. 
    Define meninges
    • A. 

      Layer of dense tissue which surrounds nerve fasicles

    • B. 

      Branches of cervical spinal nerve

    • C. 

      Three layers of connective tissue that encases spinal cord

  • 7. 
    Below L2, the vertebral canal is occupied by a bundle of spinal nerve roots called:
    • A. 

      Terminal filum

    • B. 

      Descending tracts

    • C. 

      Gracile fasciculus

    • D. 

      Medullary cone

    • E. 

      Cauda equina

  • 8. 
    • A. 

      Axillary nerve

    • B. 

      Radial nerve

    • C. 

      Obturator nerve

    • D. 

      Median nerve

    • E. 

      Ulnar nerve

  • 9. 
    Which of these is not a region of the spinal cord?
    • A. 

      Cervical

    • B. 

      Thoracic

    • C. 

      Pelvic

    • D. 

      Lumbar

    • E. 

      Sacral

  • 10. 
    In the spinal cord, the somas of the lower motor neurons are found in:
    • A. 

      The cauda equina

    • B. 

      Posterior horns

    • C. 

      Anterior horns

    • D. 

      Posterior root ganglia

    • E. 

      Fasiculi

  • 11. 
    The outermost connective tissue wrappings of a nerve is called the:
    • A. 

      Epineurium

    • B. 

      Perineurium

    • C. 

      Endoneurium

  • 12. 
    • A. 

      Cervical

    • B. 

      Brachial

    • C. 

      Lumbar

    • D. 

      Sacral

    • E. 

      None of the above

  • 13. 
    All somatic reflexes share all of the following properties except:
    • A. 

      They are quick

    • B. 

      They are monosynaptic

    • C. 

      They require stimulation

    • D. 

      They are involuntary

    • E. 

      They are stereotyped

  • 14. 
    Outside the CNS, the somas of neurons are clustered in swellings called __________.
  • 15. 
    Distal to the intervertebral foramen, a spinal nerve branches into an anterior and posterior _______.
  • 16. 
    The ______ nerves arise from the cervical plexus and innervate the diaphragm.
  • 17. 
    The crossing of a nerve fiber or tract fromt he right side of the CNS to the left, or vice versa, is called____________.
  • 18. 
    The nonvisual awareness of the body's postition and movements is called _____________.
  • 19. 
    The ________ ganglion contains the ________ of neurons that carry sensory signals to the spinal cord.
  • 20. 
    Define sensation.
  • 21. 
    List the four requirements to experience a sensation
    • A. 

      Modality

    • B. 

      Stimulus

    • C. 

      Adaptation

    • D. 

      Projection

    • E. 

      Affector

    • F. 

      Sensory conduction pathway

    • G. 

      Afterimaging

    • H. 

      Interpretation center

  • 22. 
    Describe affector
    • A. 

      Sensory neuron

    • B. 

      Affector

    • C. 

      Effector

  • 23. 
    The _________ is the middle meninges.
  • 24. 
    Pia mater is made up of ______ tissue.
  • 25. 
    Arachnoid mater is made up of ____________ and ____________.
  • 26. 
    The _________ are areas of gray matter
  • 27. 
    The ________ are areas of white matter.
  • 28. 
    The _______ is the portion of the grey matter within the spinal cord connectiognt he right and left regions of grey matter.
  • 29. 
    The _______ root of the spinal cord has a ganglion.
  • 30. 
    At the inferior end, the adult spinal cord ends before the vertebral column does.
    • A. 

      True

    • B. 

      False

  • 31. 
    Each spinal cord segment has only one pair of spinal nerves.
    • A. 

      True

    • B. 

      False

  • 32. 
    Some spinal nerves are sensory and others are motor
    • A. 

      True

    • B. 

      False

  • 33. 
    The anterior and posterior horns of the spinal cord are composed of white matter.
    • A. 

      True

    • B. 

      False

  • 34. 
    Somatic reflexes are those that do not involve the brain.
    • A. 

      True

    • B. 

      False

  • 35. 
    Name the four components of a reflex arc.
  • 36. 
    How many and what type of neurons are in a monosynaptic reflex arc?
    • A. 

      One sensory and one motor neuron

    • B. 

      Two sensory and two motor neurons

    • C. 

      One sensory neuron and two motor neurons

    • D. 

      Two sensory neurons and one motor neuron

    • E. 

      Three association neurons and one motor neuron

    • F. 

      One association neurons and three motor neurons

  • 37. 
    List the number of pairs of cervical spinal nerves
    • A. 

      12

    • B. 

      5

    • C. 

      8

    • D. 

      1

  • 38. 
    How many pairs of thoracic spinal nerves are there?
    • A. 

      8

    • B. 

      12

    • C. 

      5

    • D. 

      1

  • 39. 
    How many pairs of lumbar spinal nerves are there?
    • A. 

      8

    • B. 

      12

    • C. 

      5

    • D. 

      1

  • 40. 
    How many pairs of sacral spinal nerves are there?
    • A. 

      8

    • B. 

      12

    • C. 

      5

    • D. 

      1

  • 41. 
    How many pairs of coccygeal spinal nerves are there?
    • A. 

      8

    • B. 

      5

    • C. 

      12

    • D. 

      1