Ch. 14 Review Quiz

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The crossing of a nerve fiber or tract from the right side of the CNS to the left, or vice versa is called _____.

decussation

The brachial plexus gives rise to all of the following except

obturator nerve

Motor innervation of the leg proper comes predominantly from the ____ plexus.

sacral

What is propioception?

the nonvisual awareness of the body's position and movement.

which of these tracts carries motor signals destined for the postural muscles

vestibulospinal tract

Between the dura mater and vertebral bone, one is most likely to find

adipose tissue

The outermost connective tissue wrapping of a nerve is called _______.

epineurium

Outside the CNS, the somas of neurons are clustered in swellings called____

ganglia

Which of these is not a region of the spinal cord?

pelvic

The cerebellum receives feedback from the muscles and joints by way of the _______ tracts of the spinal cord.

spinocerebellar

A patient has a gunshot wound that caused a bone fragment to nick the spinal cord. The patient now feels no pain or temperature sensations from that level of the body down. Most likely, the _______ was damaged.

spinothalmic tract

In the spinal cord, the somas of the lower motor neurons are found in?

the anterior horns

The sciatic nerve is a composite of what two nerves?

tibial and common fibular


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