The coccygeal spinal nerve is designated Co1.

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Study for Neurophysiology Test. Dive into cell types, neural signals, and sensory pathways with multiple choice questions and flashcards. Prepare effectively with hints and explanations!

Multiple Choice

The coccygeal spinal nerve is designated Co1.

Explanation:
Spinal nerves are named by the vertebral level at which they exit the spinal column, with an exception in the cervical region that explains why there are eight cervical nerves. In the sacrococcygeal region there is only one coccygeal nerve, which exits below the coccyx. That single coccygeal nerve is designated Co1. Therefore, Co1 is correct because there aren’t additional coccygeal nerves beyond this one. The other options would imply extra coccygeal nerves that don’t exist.

Spinal nerves are named by the vertebral level at which they exit the spinal column, with an exception in the cervical region that explains why there are eight cervical nerves. In the sacrococcygeal region there is only one coccygeal nerve, which exits below the coccyx. That single coccygeal nerve is designated Co1. Therefore, Co1 is correct because there aren’t additional coccygeal nerves beyond this one. The other options would imply extra coccygeal nerves that don’t exist.

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