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NSCI 175 UNC Exam 2 Questions & Answers 2024/2025

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NSCI 175 UNC Exam 2 Questions & Answers 2024/2025 dorsal - ANSWERSdirection pointing up ventral - ANSWERSdirection pointing down rostral - ANSWERSanterior, toward the nose caudal - ANSWERSposterior, towards the back of the body, tail midsagittal - ANSWERSthe plane dividing the brai...

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  • November 2, 2024
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  • NSCI 175 UNC
  • NSCI 175 UNC
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NSCI 175 UNC Exam 2 Questions &
Answers 2024/2025

dorsal - ANSWERSdirection pointing up



ventral - ANSWERSdirection pointing down



rostral - ANSWERSanterior, toward the nose



caudal - ANSWERSposterior, towards the back of the body, tail



midsagittal - ANSWERSthe plane dividing the brain into equal right and left halves



horizontal - ANSWERSsplits into dorsal and ventral halves



coronal - ANSWERSsplits into rostral and caudal halves



ipsilateral - ANSWERSon the same side of the body as another structure



contralateral - ANSWERSon the opposite side of the body as another structure



proximal - ANSWERSnearer to the trunk of the body



distal - ANSWERSfarther from the trunk of the body



CNS (central nervous system) - ANSWERSconsists of the brain and spinal cord

,PNS (peripheral nervous system) - ANSWERSthe sensory and motor neurons that connect the CNS to the
rest of the body, cranial and spinal nerves



somatic nervous system - ANSWERSvoluntary control, the division of the peripheral nervous system that
controls the body's skeletal muscles



visceral nervous system - ANSWERSinvoluntary, the portion of the peripheral nervous system composed
of a motor division (autonomic nervous system) and sensory division



sympathetic nervous system - ANSWERSthe division of the autonomic nervous system that arouses the
body, mobilizing its energy in stressful situations, "fight or flight"



parasympathetic nervous system - ANSWERSthe division of the autonomic nervous system that calms
the body, conserving its energy, "rest and digest"



cerebrum - ANSWERSlargest part of the brain, contralateral control, involved with motor, touch, and
vision



corpus callosum - ANSWERSthe large band of neural fibers connecting the two brain hemispheres and
carrying messages between them



spinal cord - ANSWERSnervous tissue within the spinal cavity, brings information to and from the body to
the brain



brainstem - ANSWERSrelays information from cerebrum and cerebellum to the spinal cord, regulates
vitals



medulla oblongata - ANSWERSconnects brainstem to spinal cord and contains control centers for the
heart and lungs, ANS, sensory and motor info travel through



pons - ANSWERSA 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 - ANSWERSA small part of the brain above the pons that integrates sensory information and
relays it upward



superior colliculus - ANSWERSreceives visual sensory input and is involved in visual processes



inferior colliculus - ANSWERSa midbrain nucleus in the auditory pathway



substantia nigra - ANSWERSmidbrain structure where dopamine is produced; involved in control of
movement



ventricles - ANSWERSareas of the brain that produce transport the CSF that bathes the CNS



dorsal roots - ANSWERSaxons that bring information to the spinal cord, ie sensory neurons



ventral roots - ANSWERSaxons that carry information away from the spinal cord, ie motor neurons



efferent axons - ANSWERSsends information away from the CNS



afferent axons - ANSWERSbrings information into a the CNS



cranial nerves - ANSWERS12 pairs of nerves arising from the brain that carry sensory and motor
information



CT (computed tomography) - ANSWERSmeasure of x-ray absorption to map tissue density, gross
organization of gray and white matter, and position of ventricles



MRI (magnetic resonance imaging) - ANSWERSa technique that uses magnetic fields and radio waves to
see hydrogen atoms to produce computer-generated images of soft tissues, such as the brain

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