Spine and Nervous System

27 flashcards · Biology · by Audrey Haar

  1. Number 1 represents what region of the spine?

    Cervical

  2. Number 2 represents what region of the spine?

    Thoracic

  3. Number 3 represents what region of the spine?

    Lumbar

  4. Number 4 represents what region of the spine?

    Sacral

  5. Number 5 represents what region of the spine?

    Coccyx

  6. Number 6 is known as the

    Atlas

  7. Number 7 is known as the

    Axis

  8. The cervical region of the spine is made up of how many vertebrae?

    7

  9. The thoracic region of the spine is made up of how many vertebrae?

    12

  10. The lumbar region of the spine is made up of how many vertebrae?

    5

  11. The sacral region of the spine is made up of how many fused vertebrae?

    5

  12. The coccyx region of the spine is made up of how many fused vertebrae?

    4

  13. The cervical region of the spine functions to:

    Support the weight of the head

  14. The thoracic region of the spine functions to:

    Hold the rib cage and protect the heart and lungs

  15. The lumbar region of the spine functions to:

    Bear the weight of the body

  16. The sacral region of the spine functions to:

    Connect the spine to the hip bones (iliac)

  17. The coccyx region of the spine functions to:

    Provide attachment for ligaments and muscles to the pelvic floor

  18. There are how many vertebral discs in the spinal column?

    23

  19. Vertebral discs function to:

    Absorb shock, hold the vertebrae together, and function as a joint to allow for slight mobility of the spine

  20. "Dorsal" refers to which area of the body?

    Posterior (back)

  21. "Ventral" refers to which area of the body?

    Anterior (front)

  22. The Sympathetic Nervous System (SNS) originates from which regions?

    Thoracolumbar regions (thoracic and lumbar spinal cord: T1-L2)

  23. The Parasympathetic Nervous System (PNS) originates from which regions?

    Craniosacral regions (medulla, sacral spinal cord, and cranial nerves)

  24. The Sympathetic Nervous System (SNS) activates what response?

    Fight or flight

  25. The Parasympathetic Nervous System (PNS) activates what response?

    Rest and digest

  26. The neuron pathways of the Sympathetic Nervous System (SNS) are: longer and slower or very short and faster?

    Very short and faster

  27. The neuron pathways of the Parasympathetic Nervous System (PNS) are: longer and slower or very short and faster?

    Longer and slower