CSN Biology 223 Exam 5 Questions With Revised Answers
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Course
Biology 223
Institution
Biology 223
CSN Biology 223 Exam 5 Questions With
Revised Answers
Name the 2 enlargements of the spinal cord - answercervical and lumbar enlargements
a longitudinal groove on the posterior/dorsal side of the spinal cord - answerposterior median
sulcus
deeper groove on anterior/ventral side of the spinal c...
thin thread of fibrous tissue at end of conus medullaris - answer✔✔filum terminale
Fusion of the spinal meninges beyond sacral vertebra S2; anchors spinal cord to the coccyx -
answer✔✔filum terminale
long ventral and dorsal roots that extend below conus medullaris + filum terminale -
answer✔✔cauda equina
How many pairs of spinal nerves are there? - answer✔✔31
Which nerves are named for inferior vertebra - answer✔✔cervical nerve
which nerves are named for superior vertebra - answer✔✔all other nerves
what segment are spinal nerves C1-C8? - answer✔✔cervical segment
what segment are spinal nerves T1-T12 - answer✔✔thoracic segment
what segment are spinal nerves L1-L5? - answer✔✔lumbar segment
what segment are spinal nerves S1-S5? - answer✔✔sacral segment
what segment are spinal nerves Co1? - answer✔✔coccygeal segment
which spinal root contains axons of motor neurons? - answer✔✔ventral root
What kind of axons does the ventral root contain - answer✔✔motor neurons
what spinal root contains axons of sensory neurons - answer✔✔dorsal root
what kind of axons does the dorsal root contain - answer✔✔sensory neurons
what spinal root contains cell bodies of sensory neurons - answer✔✔dorsal root ganglion
what kid of axons does the dorsal root ganglion contain - answer✔✔cell bodies of sensory
neurons
what 2 roots make up the spinal nerve - answer✔✔dorsal and ventral roots
what kind of nerves does the spinal nerve contain - answer✔✔sensory and motor
viral or bacterial infection of meninges - answer✔✔meningitis
name the 3 spinal meningeal layers - answer✔✔dura mater, arachnoid mater, pia mater
tough and fibrous outer spinal meningeal layer - answer✔✔dura mater
middle layer of the meninges - answer✔✔arachnoid mater
which meningeal layer contains arachnoid membrane and arachnoid trabeculae -
answer✔✔arachnoid mater
space between dural mater and wall of vertebral canal - answer✔✔Epidural space
what space contains adipose tissue - answer✔✔epidural space
anesthetic infection site is called - answer✔✔epidural
the space between arachnoid mater and dura mater - answer✔✔subdural space
the space between arachnoid mater and pia mater - answer✔✔subarachnoid space
contains arachnoid trabecuale and is filled with cerebrospinal fluid - answer✔✔subarachnoid
space
a procedure where they withdraw CSF - answer✔✔spinal tab
innermost spinal meningeal layer - answer✔✔Pia mater
layer that consists of collagen and elastic fibers - answer✔✔pia mater
layer that is attached to the surface of spinal cord - answer✔✔pia mater
extend from pia mater to dura mater; stabilize side to side movement - answer✔✔denticulate
ligaments
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