Spinal cord plexuses

1.      The sciatic nerves arise from which of these plexuses?

a)      Cervical plexus

b)     Brachial plexus

c)      Lumbar plexus

d)     Sacral plexus

e)      Choroid plexus

2.      Which of the following are NOT peripheral nerves associated with the brachial plexuses?

a)      Femoral nerves

b)     Radial nerves

c)      Axillary nerves

d)     Ulnar nerves

3.      Nerve fibers in the phrenic nerves that innervate the diaphragm arise primarily (mostly) from what plexus?

a)      Cervical

b)     Brachial

c)      Choroid

d)     Sacral

e)      Lumbar

4.      Damage to the cervical roots will most likely cause

a)      Double vision

b)     Paralysis in both legs

c)      Respiratory problems

d)     Lack of parasympathetic innervation to the digestive organs

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