Spinal nerves

How many pairs of spinal nerves are there?

• 12

• 31

• 30

• 10

How many plexuses are in the nervous system

• 1

• 2

• 3

• 4

How many pairs of spinal nerves are in the cervical region

• 8

• 12

• 5

• 1

How many pairs of spinal nerves are in the thoracic region

• 8

• 12

• 5

• 1

Which spinal nerves do not have a plexus

• Cervical

• thoracic

• lumbar

• sacral

The cervical plexus innervates

• neck

• arm

• back to the thigh

• fingers

Which plexus innervates the arm

• cervical

• brachial

• lumbar

• sacral

the phrenic nerve is important in ___

• running

• heartbeat

• breathing

• arm movement

How many pairs of nerves are in the coccygeal region

• 8

• 12

• 5

• 1

The sciatic nerve is part of what plexus?

• cervical

• brachial

• lumbar

• sacral