NERVOUS SYSTEM SPECIAL SENSE
PERIPHERAL NERVE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The spinal cord contains ____ pairs of spinal nerves that are all ____ nerves, expect ____ that is specifically motor.
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31, mixed, C2
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31, mixed, C1
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12, sensory, C1
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12, motor, C2
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Explanation:
Detailed explanation-1: -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. The first cervical root exits above the C1 vertebra.
Detailed explanation-2: -Located at the craniocervical junction, the C1 spinal nerve contributes to the motor innervation of deep cervical muscles through the cervical (anterior) and Cruveilhier’s (posterior) plexuses.
There is 1 question to complete.