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BIOS 252: Week 3 - Central Nervous System Questions and
Answers with Verified Solutions UPDATED!!!
What does the spinal cord pass through?
Foramen ovale
Foramen rotundum
Foramen spinosum
Foramen magnum - ANSWER Foramen magnum.
The spinal cord is a cylinder of nervous tissue that arises from
the brainstem at the foramen magnum of the skull.
Which is not considered a region of the spinal cord?
Lumbar
Pelvic
Thoracic
Cervical - ANSWER Pelvic
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The spinal cord is separated into different regions according to
the vertebral region within which it is housed. The vertebral
regions are listed from superior to inferior as follows: cervical,
thoracic, lumbar, sacral, and coccygeal.
Concerning the spinal cord, where is the epidural space?
- Between the arachnoid and pia maters
- External to the dura mater
- Between the arachnoid and dura maters
- Between the two layers of the dura - ANSWER External to the
dura mater.
The epidural space is above, or on top of, the dura and external
to the spinal cord. It is between the spinal cord and the
surrounding vertebrae.
Which of the following is not considered a spinal meninge?
Dura mater
Pia mater
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Vertebral mater
Arachnoid mater - ANSWER Vertebral mater
The three meningeal layers are (from superficial to deep): dura
mater, arachnoid mater, and pia mater.
Concerning the spinal cord, the subdural space is a real space in
which the CSF circulates.
True
False - ANSWER False
The subdural space is only a potential space; normally, the dura
and arachnoid are adherent to each other.
The bundle of nerves inferior to the conus medullaris of the
spinal cord is called what?
Lumbar enlargement
Posterior median sulcus
BIOS 252: Week 3 - Central Nervous System Questions and
Answers with Verified Solutions UPDATED!!!
What does the spinal cord pass through?
Foramen ovale
Foramen rotundum
Foramen spinosum
Foramen magnum - ANSWER Foramen magnum.
The spinal cord is a cylinder of nervous tissue that arises from
the brainstem at the foramen magnum of the skull.
Which is not considered a region of the spinal cord?
Lumbar
Pelvic
Thoracic
Cervical - ANSWER Pelvic
,2|Page
The spinal cord is separated into different regions according to
the vertebral region within which it is housed. The vertebral
regions are listed from superior to inferior as follows: cervical,
thoracic, lumbar, sacral, and coccygeal.
Concerning the spinal cord, where is the epidural space?
- Between the arachnoid and pia maters
- External to the dura mater
- Between the arachnoid and dura maters
- Between the two layers of the dura - ANSWER External to the
dura mater.
The epidural space is above, or on top of, the dura and external
to the spinal cord. It is between the spinal cord and the
surrounding vertebrae.
Which of the following is not considered a spinal meninge?
Dura mater
Pia mater
, 3|Page
Vertebral mater
Arachnoid mater - ANSWER Vertebral mater
The three meningeal layers are (from superficial to deep): dura
mater, arachnoid mater, and pia mater.
Concerning the spinal cord, the subdural space is a real space in
which the CSF circulates.
True
False - ANSWER False
The subdural space is only a potential space; normally, the dura
and arachnoid are adherent to each other.
The bundle of nerves inferior to the conus medullaris of the
spinal cord is called what?
Lumbar enlargement
Posterior median sulcus
