24 Questions
How many regions does the spine consist of?
5 regions
What is the main function of the intervertebral disks?
To allow the trunk to bend forward and limit excessive spinal motion
Which vertebrae are responsible for the origin and termination of the phrenic nerves?
C3-C5
What is the name of the bony structure that encases and protects the spinal cord?
Bony arch
What is the total number of vertebrae in the spinal column?
33 vertebrae
What is the potential consequence of a spinal cord injury?
Paralysis below the level of injury
What is the primary purpose of the vertebral body?
To act as a solid block of bone for weight bearing
What is the characteristic of the thoracic bones?
They are the most numerous vertebrae in the spine
What is the role of ligaments in the spine?
They hold the intervertebral disks in place
What happens when there is excessive spinal motion?
The spinal cord becomes compressed
What is the purpose of the sacral bones?
To provide a base for the spine
What is the primary function of the coccygeal bones?
To support the pelvis
Which region of the spine contains 7 bones?
Cervix
What is the function of the vertebral body?
To absorb shock and distribute pressure
What is the name of the nerves that originate and terminate at the C3, C4, and C5 bones?
Phrenic nerves
What is the consequence of damaging the spinal cord at a certain level?
Paralysis below the damaged level
What is the purpose of the intervertebral disks?
To allow for flexibility and limit excessive motion
What is the total number of bones in the sacrum and coccyx?
5 sacral bones and 5 coccygeal bones
What is the primary purpose of the bony arch in each vertebra?
To encase and protect the spinal cord
What is the effect of damaging the spinal cord at a specific level?
Paralysis will occur below the level of injury
What is the role of the intervertebral disks in facilitating spinal motion?
They limit excessive spinal motion while allowing for flexibility
What is the significance of the C3, C4, and C5 bones in the cervical column?
They are the site of origin and termination of the phrenic nerves
What is the function of the vertebral body in each vertebra?
It provides structural support to the spinal column
What is the characteristic of the spinal column that allows for flexibility and bending?
The presence of the intervertebral disks between vertebrae
Test your knowledge of the 5 regions of the spine, including the cervix, thorax, lumbar, sacrum, and coccyx, and their corresponding vertebrae. Learn about the importance of the C3, C4, and C5 bones in the cervical column.
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