Nervous System Quiz About Stuff About Sensation, Nerves

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Stuff about sensation, nerves


Questions and Answers
  • 1. 
    Sensation that reach the cerebral cortex are
    • A. 

      Unconscious awareness

    • B. 

      Conscious awareness

    • C. 

      Can be both unconscious or conscious

  • 2. 
    The receptors located in muscles, tendons, joints and inner ear and provide information about body positions and movements of joints are:
    • A. 

      Exteroceptors

    • B. 

      Interoceptors

    • C. 

      Proprioceptors

  • 3. 
    Nociceptors responds to
    • A. 

      Pain

    • B. 

      Temperature

    • C. 

      Light

    • D. 

      Pressure

  • 4. 
    Sensory receptors that have exposed dendrites at the end of sensory neurons are
    • A. 

      Seperate cells

    • B. 

      Encapsulated nerve endings

    • C. 

      Free nerve endings

  • 5. 
    Somatic senses do NOT include which of the following:
    • A. 

      Vision

    • B. 

      Tactile

    • C. 

      Thermal

    • D. 

      Pain

    • E. 

      Proprioceptive

  • 6. 
    Thermal sensations are detected by _________________________ .  Cold receptors are located in the _____________
    • A. 

      Thermoreceptors , epidermis

    • B. 

      Thermoreceptors, dermis

    • C. 

      Tactile, epidermis

    • D. 

      Tactile, dermis

  • 7. 
    Tactile sensations have what anatomical features:
    • A. 

      Free nerve endings

    • B. 

      Encapsulated mechanoreceptors

    • C. 

      Both

    • D. 

      Neither

  • 8. 
    Nociceptors are receptors for pain found in every tissue in the body except:
    • A. 

      Liver

    • B. 

      Brain

    • C. 

      Heart

    • D. 

      None of these

  • 9. 
    The spinal cord has two main functions which are (mark all that apply)
    • A. 

      Nerve impulse propagation

    • B. 

      Sensory receptors

    • C. 

      Information integration

  • 10. 
    In which part of the spinal cord are the highways for nerve impulses propagation.
    • A. 

      White matter tracts

    • B. 

      Grey matter tracts

    • C. 

      Both

  • 11. 
    What are the two main pathways for sensory receptors to propogate up the spinal cord
    • A. 

      Spinolthalamic tract

    • B. 

      Direct motor pathway

    • C. 

      Indirect motor pathway

    • D. 

      Posterior columns

  • 12. 
    Spinothalamic tracts carry nerve impulses for (mark all that apply)
    • A. 

      Pain

    • B. 

      Thermal sensation

    • C. 

      Tickle & itch

    • D. 

      Crude touch

    • E. 

      Conscious proprioception

  • 13. 
    Awareness of positions and movements of muscles, tendons & joings is carried on which sensory pathway
    • A. 

      Spinothalamic tracts

    • B. 

      Posterior tract

  • 14. 
    Motor output from upper motor neurons travel down spinal cord to the lower motor neurons that exit from the cerebral cortex via which pathway
    • A. 

      Direct motor pathways

    • B. 

      Indirect motor pathways

  • 15. 
    Direct motor pathways arise from the cerebral cortex, extend into the spinal cord and out to skeletal muscles & include which of following:
    • A. 

      Lateral corticospinal tract

    • B. 

      Rubrospinal tract

    • C. 

      Anterior corticospinal tracts

    • D. 

      Corticobulbar tracts

  • 16. 
    Indirect motor pathways arise from the brain stem & include different tracts.  Which one of thesetracts  controls the movement of the head & eyes - visual stimuli only
    • A. 

      Rubrospinal tracts

    • B. 

      Tectospinal tracts

    • C. 

      Vestibulospinal tracts

    • D. 

      Lateral & medial reticulospinal tracts

  • 17. 
    Basal ganglia function to
    • A. 

      Initiate and terminate movement

    • B. 

      Suppress unwanted movements

    • C. 

      Influence muscle tone

    • D. 

      Influence cortical function - sensory, limbic, cognitive, linguistic

    • E. 

      All of the above

  • 18. 
    Conditions of sleep & wakefulness are monitored within which part of the brain
    • A. 

      Limbic

    • B. 

      Brain stem

    • C. 

      Cerebrum

    • D. 

      Cerebellum

  • 19. 
    The spinal cord connect to the brain thru a large hole in the base of the skull called
    • A. 

      Cauda equina

    • B. 

      Foramen magnum

    • C. 

      Brain stem

  • 20. 
    The CNS is protected by__________________  & ______________
    • A. 

      The cranium and vertebrae

    • B. 

      The Dura mater

    • C. 

      The arachnoid mater

    • D. 

      The pia mater

    • E. 

      All of the above

  • 21. 
    The space between the dura mater and arachnoid mater is called:
    • A. 

      Subarachnoid space

    • B. 

      Subdural space

    • C. 

      Epidural space

  • 22. 
    Cerebrospinal fluid protects the CNS from chemical & physical injury but also functions to
    • A. 

      Provide oxygen

    • B. 

      Provide glucose

    • C. 

      Both

    • D. 

      Neither

  • 23. 
    The cerebrospinal fluid as is continually circulated through which space
    • A. 

      Epidural space

    • B. 

      Subdural space

    • C. 

      Subarachnoid space

  • 24. 
    What is the cauda equina
    • A. 

      Superior enlargement

    • B. 

      Nerves hanging down in vertebral cavity

    • C. 

      Inferior enlargement

  • 25. 
    The spinal cord is made up of white and grey matter, which of these has bundles of axons called tracts
    • A. 

      White matter

    • B. 

      Grey Matter

    • C. 

      Both

    • D. 

      Neither

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