Midterm 1 - PNB 2XB3 Exam Study Guide with Complete Solutions
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Course
PNB 2XB3
Institution
PNB 2XB3
Midterm 1 - PNB 2XB3 Exam Study
Guide with Complete Solutions
Central Nervous System (CNS) - Answer-All parts of nervous system enclosed in
bone (spinal cord, brain stem, thalamus, cortex)
Peripheral nervous system (PNS) - Answer-All parts not within bone (peripheral
nerves)
Brainstem - Answe...
Neuroaxis positional terms - Answer✔✔-nervous system bends at the brain
Midline - Answer✔✔-line separating left and right
Ipsilateral - Answer✔✔-same side
Contralateral - Answer✔✔-opposite side
Decussate - Answer✔✔-Cross midline
proximal - Answer✔✔-close to point of reference
distal - Answer✔✔-far from point of reference
medial - Answer✔✔-near midline
lateral - Answer✔✔-far from midline
efferent - Answer✔✔-projecting away from reference (away from the brain to the
body, motor)
afferent - Answer✔✔-projecting towards reference (body towards the brain, sensory)
Planes of sections - Answer✔✔-- Coronal (left to right)
- Sagittal (front to back)
- Horizontal
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