Slide 1

The Ventricular and
Cerebrospinal Fluid Systems

Neuro Quiz
Identify the correct question
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 Michael McKeough 2008


Slide 2

The Ventricular and
Cerebrospinal Fluid Systems
Neuro Quiz
Anatomy

Cerebrospinal
fluid

Misc. I

Misc. II

Pathology

100

100

100

100

100

200

200

200

200

200

300

300

300

300

300

400

400

400

400

400

500

500

500

500

500

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Slide 3

Anatomy
100
This portion of the ventricular
system is located in the cerebral
hemispheres.
What are the lateral ventricles?

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Slide 4

Anatomy
200
This portion of the ventricular
system is located in the
diencephalon.
What is the third ventricle?

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Slide 5

Anatomy
300
This portion of the ventricular system
is located in the midbrain.
What is the cerebral aqueduct
(aqueduct of Sylvius)?

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Slide 6

Anatomy
400
This portion of the ventricular
system is located in the pons and
medulla.
What is the fourth ventricle?

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Slide 7

Anatomy
500
This portion of the ventricular
system is located in the spinal cord.

What is the central canal?

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Slide 8

Cerebrospinal Fluid
100
This structure produces cerebrospinal
fluid.
What is the choroid plexus?

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Slide 9

Cerebrospinal Fluid
200
Cerebrospinal fluid passes through
this structure en route from the
lateral ventricles to the third
ventricle.
What is the foramen of Monro?

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Slide 10

Cerebrospinal Fluid
300
Cerebrospinal fluid passes through
this structure en route from the third
ventricle to the fourth ventricle.
What is the cerebral aqueduct
(aqueduct of Sylvius)?

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Slide 11

Cerebrospinal Fluid
400
Cerebrospinal fluid exits the
ventricles via these structures.
What are the lateral foramina of
Luschka and midline foramen of
Magendie?

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Slide 12

Cerebrospinal Fluid
500
Cerebrospinal fluid exits the
ventricular system via these
structures.
What are arachnoid villa
(arachnoid granulations)?

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Slide 13

Miscellaneous I
100
The ventricular system originated
from here.

What is the hollow neural tube?

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Slide 14

Miscellaneous I
200
These are the three main functions of
the ventricular and cerebrospinal
fluid systems.
What are:
•provide buoyancy to the CNS
•help maintain homeostasis in the CNS
•act as a fluid transport system?
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Slide 15

Miscellaneous I
300
Cerebrospinal fluid circulates inside
this space within the central nervous
system.
What is the subarachnoid space?

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Slide 16

Miscellaneous I
400
The 150 cc of cerebrospinal fluid is
completely replaced this often.

What is more than once per day?

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Slide 17

Miscellaneous I
500
This condition is produced by
hydrocephalus in a mature skull.
What is ventricular enlargement
due to compression of adjacent
neural tissue?

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Slide 18

Miscellaneous II
100
In order to avoid damage to the
spinal cord, a lumbar puncture is
performed below this level.
What is L1 or the L1-L2 junction?

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Slide 19

Miscellaneous II
200
Arachnoid villa empty circulating
cerebrospinal fluid into this
structure.
What is the superior sagittal sinus?

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Slide 20

Miscellaneous II
300
This portion of the ventricular
system is located in the occipital
lobe.
What is the posterior horn?

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Slide 21

Miscellaneous II
400
This portion of the ventricular
system is located in the frontal lobe.

What is the anterior horn?

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Slide 22

Miscellaneous II
500
The choroid plexus is derived from
these cells.
What are ependymal cells from the
inner walls of the ventricles?

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Slide 23

Pathology
100
This is the primary type of pathology
involving the ventricular system.

What is hydrocephalus?

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Slide 24

Pathology
200
These are the two types of
hydrocephalus.
What are non-communicating
(obstructive) and communicating?

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Slide 25

Pathology
300
This is the primary strategy for the
medical management of
hydrocephalus.
What is the surgical implantation of
a shunt?

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Slide 26

Pathology
400
This clinical test is performed to
sample cerebrospinal fluid.

What is a spinal tap?

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Slide 27

Pathology
500
This condition is produced by
hydrocephalus in an immature skull
(unfused sutures).
What is macrocephaly?

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