Chapter 15 Integration

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Communication

  1. 1

    Ascending tracts are?

  2. 2

    Descending tracts are?

  3. 3

    Receptors are all of the following EXCEPT?

  4. 4

    This receptor monitors external environment?

  5. 5

    All are characteristics of first order neurons except?

  6. 6

    Axons that cross to the opposite side of the body?

  7. 7

    All is true of the 3rd order neurons except?

  8. 8

    Sensations of fine touch, vibration, pressure, and proprioception are?

  9. 9

    Which sensory pathway has decussation within the spinal cord?

  10. 10

    This sensory pathway begins in the peripheral receptor and ends in the primary sensory cortex?

  11. 11

    Anterior spinothalamic tract carries sensations of ?

  12. 12

    Which of these are due to the stimulation of neurons within the pathway and not the stimulation of the receptor?

  13. 13

    Organization of the somatic motor pathways are all but the following?

  14. 14

    Pyramidal cells of __ descend into brain stem and spinal cord and synapse w/lower motor neurons?

  15. 15

    Determines the tone of skeletal muscles;posture?

  16. 16

    Various areas of control and reflex activity?

  17. 17

    Muscular response to bright light, sudden movement, or loud noises?

  18. 18

    Maintains posture and balance, receives info via cranial nerves?

  19. 19

    Controls movement of eye,jaw,face,neck, and pharynx?

  20. 20

    Upper neurons of the extrapyramidal pathway are located in all EXCEPT?

  21. 21

    Size of primary motor cortex dedicated to the body region is proportional to?

  22. 22

    _ Involves subconscious,unconscious control of skeletal muscle by cerebrum,__ and brain stem?

  23. 23

    These upper neurons synapse on the same lower motor neurons as the ___

  24. 24

    Regulates upper motor neuron activity of the pyramidal and extrapyramidal system?

  25. 25

    Adjust activation of motor units dependent on balance and proprioception as well as past experience?

  26. 26

    Adjust activities of extrapyramidal,pyramidal and provide background patterns of movement involved in voluntalry motor activities.?(riding a bike)

  27. 27

    Excitatory neurons of the cerebral nuclei become more active causing problems with the control of skeletal muscle movement?

  28. 28

    A disorder affecting motor neurons, losing all motor control and demyelinating?

  29. 29

    Proprioceptor regulates?

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