Spinal Cord Nervous Tissue Quiz

42 Questions | Total Attempts: 790

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Spinal Cord Nervous Tissue Quiz - Quiz

The spinal cord is part of our nervous system, it is a tubular bundle of nervous tissue and support cells. Let's play this quiz and learn more about it!


Questions and Answers
  • 1. 
     The upper motor neurons that control skeletal muscles begin with a soma in
    • A. 

      The postcentral gyus of the cerebrum

    • B. 

      The precentral gyrus of the cerebrum

    • C. 

      The motor association cortex of the cerebrum

    • D. 

      The anterior horn of the spinal cord

    • E. 

      The posterior horn of the spinal cord

  • 2. 
    The signals that control your handwriting travel down the spinal cord in
    • A. 

      The corticospinal tract

    • B. 

      The tectospinal

    • C. 

      The lateral vestibulospinal tract

    • D. 

      The medial vestibulospinal tract

    • E. 

      The spinocerebellar tract

  • 3. 
    Many upper motor neurons synapse with lower motor neurons in
    • A. 

      The posterior horns

    • B. 

      The anterior horns

    • C. 

      The posterior column

    • D. 

      The anterior column

    • E. 

      The posterior root ganglion

  • 4. 
    Which if the following sensory functions involves neurons in the posterior root ganglia?
    • A. 

      Smell

    • B. 

      Hearing

    • C. 

      Vision

    • D. 

      Touch

    • E. 

      Taste

  • 5. 
    The spinal cord is divided into all of the following regions except
    • A. 

      Cervical

    • B. 

      Pelvic

    • C. 

      Thoracic

    • D. 

      Sacral

    • E. 

      Lumbar

  • 6. 
    The following are all functions associated with the spinal cord expect
    • A. 

      To conduct motor information down the cord

    • B. 

      To coordinate the alternating contraction of several muscle groups associated with locomotion

    • C. 

      To protect neurons in both the ascending and descending tract

    • D. 

      To mediate a reflex such as withdrawal of a hand from pain

    • E. 

      To conduct sensory information up to the brain

  • 7. 
    Which of the following fractures would be the least likely to cause a spinal cord injury?
    • A. 

      A fracture of vertebra L4

    • B. 

      A fracture of vertebra T12

    • C. 

      A fracture of vertebra T5

    • D. 

      A fracture of vertebra C6

    • E. 

      A fracture of vertebra C2

  • 8. 
    Epidural anethesia is introduced in the epidural space between            to block pain signals during pregnancy
    • A. 

      Dura mater and pia mater

    • B. 

      Arachnoid mater and pia mater

    • C. 

      Dura mater and arachnoid mater

    • D. 

      Dural sheath and vertebral bones

    • E. 

      Dural sheath and dura mater

  • 9. 
    Cerebrospinal fluid fills in the space between
    • A. 

      Dura mater and pia mater

    • B. 

      Dura sheath and dura mater

    • C. 

      Arachnoid mater and pia mater

    • D. 

      Dura sheath and vertebral bones

    • E. 

      Dura mater and arachnoid mater

  • 10. 
    Which of the following structures is the richest in lipid content?
    • A. 

      Gray matter

    • B. 

      Arachnoid mater

    • C. 

      White matter

    • D. 

      Dura mater

    • E. 

      Pia mater

  • 11. 
    Gray matter contains
    • A. 

      Neurosomas, dendrites, and proximal parts of axons of neurons

    • B. 

      The distal part of axons of lower order motor neurons

    • C. 

      Glial cells only

    • D. 

      Glial cells, axons of motor neurons, and Schwann cells

    • E. 

      Glial cells and myelinated fibers

  • 12. 
               carry motor commands from the brain along the spinal cord.
    • A. 

      Cranial nerves

    • B. 

      Descending tracts

    • C. 

      Spinal nerves

    • D. 

      Ascending tracts

    • E. 

      Both anterior and posterior roots

  • 13. 
    Second-order neurons synapse with third-order neurons in the
    • A. 

      Dorsal root ganglion

    • B. 

      Thalamus

    • C. 

      Spinal cord

    • D. 

      Cerebral cortex

    • E. 

      Medulla oblongata

  • 14. 
                   keeps nerve fibers insulated from one another
    • A. 

      Blood vessels

    • B. 

      Epineurium

    • C. 

      Fascicles

    • D. 

      Endoneurium

    • E. 

      Perineurium

  • 15. 
           fibers innervate eyes and ears
    • A. 

      General

    • B. 

      Somatic

    • C. 

      Visceral

    • D. 

      Special

    • E. 

      White

  • 16. 
    A ganglion is a
    • A. 

      Cluster of neurosomas in the PNS

    • B. 

      Bundle of axons in the CNS

    • C. 

      Cluster of dendrites in either the CNS or the PNS

    • D. 

      Bundle of axons in the PNS

    • E. 

      Cluster of neurosomas in the CNS

  • 17. 
    There are        pairs of spinal nerves
    • A. 

      12

    • B. 

      24

    • C. 

      31

    • D. 

      35

    • E. 

      62

  • 18. 
    The ventral rami of the spinal nerves form plexuses in all regions except
    • A. 

      The thoracic region

    • B. 

      The brachial region

    • C. 

      The cervical region

    • D. 

      The lumbar region

    • E. 

      The sacral region

  • 19. 
    The cervical plexus gives origin to the        nerve(s).
    • A. 

      Oculomotor

    • B. 

      Sciatic

    • C. 

      Musculocutaneous

    • D. 

      Phrenic

    • E. 

      Radial

  • 20. 
    Which of the following nerves originates in the coccygeal plexus?
    • A. 

      Axillary

    • B. 

      Sciatic

    • C. 

      Phrenic

    • D. 

      Ilioinguinal

    • E. 

      Orbturator

  • 21. 
    Which of these is an ascending tract of spinal cord
    • A. 

      The lateral tectospinal tract

    • B. 

      The medial reticulospinal tract

    • C. 

      The ventral corticospinal tract

    • D. 

      The gracile fasiculus

    • E. 

      The vestibulospinal tract

  • 22. 
    A mixed nerve consist of both
    • A. 

      Myelinated and unmyelinated fibers

    • B. 

      Glial cells and nerve cells

    • C. 

      Afferent and efferent fibers

    • D. 

      Association and integration neurons

    • E. 

      Spinal and cranial fibers

  • 23. 
    Which of the following branches of a spinal nerve have somas of solely sensory neurons?
    • A. 

      Posterior (dorsal) root

    • B. 

      Anterior (ventral) root

    • C. 

      Posterior ramus

    • D. 

      Anterior ramus

    • E. 

      Meningeal branch

  • 24. 
    The bundle of nerve roots tha occupy the vertebral canal from L2 to S5 is called the 
    • A. 

      Cauda equina

    • B. 

      Medullary cone

    • C. 

      Lumbar enlargement

    • D. 

      Cervical enlargement

    • E. 

      Spinal cord

  • 25. 
    Somatosensory refers to these sensory signals except the sensory signals from
    • A. 

      Bones and muscles

    • B. 

      Joints

    • C. 

      Proprioceptors

    • D. 

      The viscera

    • E. 

      The skin

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