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Bios 252 - Exam 2 (Weeks 3 &4) Questions and Correct Answers
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Regions of the spinal cord cervical, thoracic, lumbar, sacral Ulnar nerve nerve to upper limbs Sacral plexus nerve plexus associated with the lower lumbar and pelvic region Conus medullaris cord tapers to a point inferior to lumbosacral enlargement Cauda equina bundle of nerve roots tha...

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  • August 7, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • bios 252 exam 2 weeks 3 4 questions and corre
  • regions of the spinal cord cervical thoracic lu
  • ulnar nerve nerve to upper limbs

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  • BIO 252
  • BIO 252

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Bios 252 - Exam 2 (Weeks 3 &4)
Questions and Correct Answers
Regions of the spinal cord ✅cervical, thoracic, lumbar, sacral

Ulnar nerve ✅nerve to upper limbs

Sacral plexus ✅nerve plexus associated with the lower lumbar and pelvic region

Conus medullaris ✅cord tapers to a point inferior to lumbosacral enlargement

Cauda equina ✅bundle of nerve roots that occupy the vertebral canal from l2 to s5

Dura mater ✅thick, outermost layer of the meninges surrounding and protecting the
brain and spinal cord

Arachnoid mater ✅weblike middle layer of the three meninges

Pia mater ✅the delicate innermost membrane enveloping the brain and spinal cord.

Gray matter contains ✅cell bodies

White matter contains ✅axons and myelin

Gray matter function ✅site of information processing, synaptic integration

White matter function ✅carry signals from one part of the cns to another

Ascending tracts ✅carry sensory information to the brain

Desceding tracts ✅carry motor information down to effectors

Types of neurons involved with ascending tracts ✅first order, second order, third order

Ascending tracts pathways ✅spinocerebellar, spinothalamic, dorsal column

Descending tracts ✅carry motor commands to spinal cord

Types of neurons involved in descending tracts ✅upper motor and lower motor neuron

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