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NSCI 175 Exam II UNC questions with correct answers
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NSCI 175 Exam II UNC questions withcorrect answers
dorsal - ANSWER -direction pointing up
ventral - ANSWER -direction pointing down
rostral - ANSWER -anterior, toward the nose
caudal - ANSWER -posterior, towards the back of the body, tail
midsagittal - ANSWER -the plane dividing the brain into equal right and left halves
horizontal - ANSWER -splits into dorsal and ventral halves
coronal - ANSWER -splits into rostral and caudal halves
ipsilateral - ANSWER -on the same side of the body as another structure
contralateral - ANSWER -on the opposite side of the body as another structure
proximal - ANSWER -nearer to the trunk of the body
distal - ANSWER -farther from the trunk of the body
CNS (central nervous system) - ANSWER -consists of the brain and spinal cord
NSCI 175 Exam II UNC questions with correct answers
,PNS (peripheral nervous system) - ANSWER -the sensory and motor neurons that connect the
CNS to the rest of the body, cranial and spinal nerves
somatic nervous system - ANSWER -voluntary control, the division of the peripheral nervous
system that controls the body's skeletal muscles
visceral nervous system - ANSWER -involuntary, the portion of the peripheral nervous system
composed of a motor division (autonomic nervous system) and sensory division
sympathetic nervous system - ANSWER -the division of the autonomic nervous system that
arouses the body, mobilizing its energy in stressful situations, "fight or flight"
parasympathetic nervous system - ANSWER -the division of the autonomic nervous system that
calms the body, conserving its energy, "rest and digest"
cerebrum - ANSWER -largest part of the brain, contralateral control, involved with motor,
touch, and vision
corpus callosum - ANSWER -the large band of neural fibers connecting the two brain
hemispheres and carrying messages between them
spinal cord - ANSWER -nervous tissue within the spinal cavity, brings information to and from
the body to the brain
brainstem - ANSWER -relays information from cerebrum and cerebellum to the spinal cord,
regulates vitals
medulla oblongata - ANSWER -connects brainstem to spinal cord and contains control centers
for the heart and lungs, ANS, sensory and motor info travel through
NSCI 175 Exam II UNC questions with correct answers
, pons - ANSWER -A brain structure that relays information from the cerebellum to the rest of
the brain, head and facial sensation, motor control of facial structures, ANS
Midbrain - ANSWER -A small part of the brain above the pons that integrates sensory
information and relays it upward
superior colliculus - ANSWER -receives visual sensory input and is involved in visual processes
inferior colliculus - ANSWER -a midbrain nucleus in the auditory pathway
substantia nigra - ANSWER -midbrain structure where dopamine is produced; involved in
control of movement
ventricles - ANSWER -areas of the brain that produce transport the CSF that bathes the CNS
dorsal roots - ANSWER -axons that bring information to the spinal cord, ie sensory neurons
ventral roots - ANSWER -axons that carry information away from the spinal cord, ie motor
neurons
efferent axons - ANSWER -sends information away from the CNS
afferent axons - ANSWER -brings information into a the CNS
cranial nerves - ANSWER -12 pairs of nerves arising from the brain that carry sensory and motor
information
CT (computed tomography) - ANSWER -measure of x-ray absorption to map tissue density,
gross organization of gray and white matter, and position of ventricles
NSCI 175 Exam II UNC questions with correct answers
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