UTA BIOL 2457 EXAM 3 2026
ACTUAL QUESTIONS WITH VERIFIED
ANSWERS.
1. The cytoplasm that surrounds the nucleus of a neuron is
called the ________. - correct answer-perikaryon
2. Which of the following is not a function of the nervous
system? - correct answer-direct long-term functions, such as
growth
3. The ventral root of a spinal nerve contains ________. -
correct answer-axons of motor neurons
4. Muscles of the neck and shoulder are innervated by spinal
nerves from the ________ region. - correct answer-cervical
5. Spinal nerves are ________. - correct answer-both sensory
and motor
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6. The white matter of the spinal cord contains ________. -
correct answer-bundles of axons with common origins,
destinations, and functions
7. Axons crossing from one side of the spinal cord to the other
within the gray matter are found in the ________. - correct
answer-gray commissures
8. The outermost connective-tissue covering of nerves is the
________. - correct answer-epineurium
9. Postganglionic fibers of the autonomic nervous system that
innervate internal organs do not rejoin the spinal nerve but
form ________. - correct answer-sympathetic nerves
10. The ________ nerve, which arises in the cervical plexus,
innervates the diaphragm. - correct answer-phrenic
11. The preganglionic fibers that connect a spinal nerve with
an autonomic ganglion in the thoracic and lumbar region of