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Pain And Temperature Sensation

11 Questions
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Sensory Systems pg. 78-84

Questions and Answers
  • 1. 
    Nociceptors (pain receptors) include what type of nerves?
    • A. 

      Group I

    • B. 

      Group II

    • C. 

      Group III

    • D. 

      Group IV

    • E. 

      More than one of the above

  • 2. 
    The fact that different thermoreceptors have overlapping receptive fields allows us to respond to a range of temps
    • A. 

      True

    • B. 

      False

  • 3. 
    Thresholds are ____ for touch and temperature and ____ for pain.
    • A. 

      High; low

    • B. 

      High; high

    • C. 

      Low; high

    • D. 

      Low; low

  • 4. 
    When there is damage to cells, the cells will release lots of ___ which will then stimulat the nociceptors.
    • A. 

      Na

    • B. 

      K

    • C. 

      Cl

    • D. 

      H

  • 5. 
    Describe why things are more painful during sleep.
  • 6. 
    Pain, temperature and touch information synapses in the ______ horn of the spinal cord in either the _________ or __________
    • A. 

      Ventral horn; substantia gelationsa; nucleus proprius

    • B. 

      Dorsal horn; substantia gelationsa; nucleus proprius

    • C. 

      Ventral horn; gracile fasculus; cuneate fasciculus

    • D. 

      Dorsal horn; substantia gelationsa; nucleus proprius

  • 7. 
    Central connections (body) for pain and temp is sent through the _________ tract to the ____ of the thalamus.
    • A. 

      Spinothalamic ; VPM

    • B. 

      Trigeminothalamic; VPM

    • C. 

      Spinothalamic; VPL

    • D. 

      Trigeminothalamic; VPL

  • 8. 
    Central connections (for the head) synapse first in the spinal cord
    • A. 

      True

    • B. 

      False

  • 9. 
    The trigeminothalamic tract synapses inthe ___ of the thalamus
    • A. 

      VPL

    • B. 

      VPM

    • C. 

      Post central gyrus

    • D. 

      Reticular formation

  • 10. 
    The trigeminothalamic tract sends info to the:
    • A. 

      Hypothalamus

    • B. 

      Brodmann area 3,1,2

    • C. 

      Reticular formation

    • D. 

      All of the above

    • E. 

      2 of the above

  • 11. 
    The homonculus motor cortex is on the ___________ and the homonculus sensory cortex is on the _____________
    • A. 

      Post central gyrus; pre central gyrus

    • B. 

      Pre central gyrus; post central gyrus