MEDICAL
NERVES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which spinal nerve section is correctly paired with the number of spinal nerves?
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Cervical 8
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Cervical 7
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Sacral 4
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Sacral 1
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Explanation:
Detailed explanation-1: -In the cervical segments, there are 7 cervical vertebrae and 8 cervical nerves (Figure 3.2). C1-C7 nerves exit above their vertebrae whereas the C8 nerve exits below the C7 vertebra. It leaves between the C7 vertebra and the first thoracic vertebra.
Detailed explanation-2: -Ligaments attached to the vertebrae also serve as supportive structures. There are 31 pairs of spinal nerves and roots. Eight pairs of cervical nerves exit the cervical cord at each vertebral level. One member of the pair exits on the right side and the other exits on the left.
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