Term
| How many vertebrae are there in the cervical region? |
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Definition
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Term
| Typically, how many vertebrae are there in the human vertebral column? |
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Definition
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Term
| How many vertebrae are there in the lumbar region? |
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Definition
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Term
| How do the vertebrae of C1/C2 differ from typical vertebrae? |
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Definition
| C1(atlas) does not have a body or spinous process; C2(axis) has the dens as part of its body |
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Term
| How do the vertebrae that makeup the sacrum differ from typical vertebrae? |
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Definition
| The 5 vertebrae are fused and has foramen for the dorsal and the ventral primary rami (posterior and anterior sacral foramina) |
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Term
| What are the components of a typical vertebrae? |
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Definition
| Pedicle, lamina, superior & inferior articulating processes, spinous process, transverse processes, & body |
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Term
| the motor neurons responsible for voluntary skeletal muscle movement lie in what part of the spinal cord? |
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Definition
| Ventral Horn of gray matter |
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Term
| Where are the sensory neurons associated with peripheral nerves located? |
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Definition
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Term
| Intercostal nerves are examples of which particular of which particular division of a peripheral (somatic) nerve? |
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Definition
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Term
| The intrinsic muscles of the back are supplied by what specific division of a somatic nerve? |
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Definition
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Term
| What two areas of the spinal cord are grossly larger than the rest, and why? |
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Definition
| cervical (C4-T1) and Lumbosacral(L1-S5) enlargements. They are the regions of the spinal cord that run the limbs |
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Term
| The most common site for a herniated disc is found at what vertebral column level? |
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Definition
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Term
| The adult spinal cord usually ends at what vertebral body level? |
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Definition
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Term
| What is the name of the collection of spinal nerve rotots found past the end of the spinal cord? |
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Definition
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Term
| What are two derivatives of the pia mater? |
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Definition
| Denticulate ligaments and filum terminale |
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Term
| What is found in the subarachnoid space? |
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Definition
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Term
| If a cerebral artery ruptures, where is the blood found? |
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Definition
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Term
| What is found in the epidural space? |
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Definition
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Term
| When doing a spinal tap to sample CSF, what is the last meningeal layer that the needle should pierce? |
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Definition
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Term
| What bony landmark is used to locate the appropriate vertebral level for doing a spinal tap? |
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Definition
| Iliac crest at the spinous process of L4 |
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Term
| The most common place to insert a needle to do a spinal tap is between the spinous process of which vertebrae? |
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Definition
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Term
| What is the arterial supply to the spinal cord? |
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Definition
| Spinal branches off aorta and spinal branches off the vertebral arteries |
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Term
| In a caudal epidural anesthesia the cannula is placed up which foramen? |
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Definition
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Term
| What nerve innervates the trapezius muscle? |
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Definition
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Term
| What is the function of the latissimus dorsi? |
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Definition
| medial rotate, adduct and extend the arm (shoulder joint) - "toliet paper" muscle |
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Term
| What is the general function of the serratus posterior muscles? |
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Definition
| Accessory respiratory muscles - raises and lowers rib cage |
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Term
| How does the innervation of the erector spinae differ from the intermediate and superficial back muscle? |
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Definition
The erector spinae is innervated by the dorsal primary rami of the mid-thoracic and upper lumbar spinal nerves
The others are by ventral primary rami |
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