AUBF Strasinger - Part 2 -Cerebrospinal Fluid Practice Questions and Correct Answers
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Cerebrospinal fluid This provides a physiological system to supply nutrients to the nervous tissue, remove metabolic wastes, and produce a mechanical barrier to cushion the brain and spinal cord against trauma
Meninges These are three layers of connective tissue in which the brain and spinal cord ...
AUBF Strasinger - Part 2 -Cerebrospinal
Fluid Practice Questions and Correct
Answers
Cerebrospinal fluid ✅This provides a physiological system to supply nutrients to the
nervous tissue, remove metabolic wastes, and produce a mechanical barrier to cushion
the brain and spinal cord against trauma
Meninges ✅These are three layers of connective tissue in which the brain and spinal
cord are wrapped
Dura mater, arachnoid mater, pia mater ✅These are the three layers of meninges
Dura mater ✅thick, outermost layer of the meninges surrounding and protecting the
brain and spinal cord
Arachnoid mater ✅This weblike middle layer of the three meninges
Pia mater ✅This thin, delicate inner membrane of the meninges
Choroid plexus ✅A highly vascular portion of the lining of the ventricles that secretes
cerebrospinal fluid
Subarachnoid space ✅A space in the meninges beneath the arachnoid membrane and
above the pia mater that contains the cerebrospinal fluid
20ml per hour ✅This is the amount of CSF produced by adults
Arachnoid granulations ✅Extensions of the arachnoid mater that allow excess CSF to
be absorbed by the dural sinuses.
Blood-brain barrier ✅This is a tight-fitting structure of the endothelial cells in the
choroid plexuses
Lumbar puncture ✅This is the routine procedure in collecting CSF
Between third, fourth, and fifth lumbar verterbrae ✅This is the location for routine
lumbar puncture
, Measurement of intracranial pressure, Careful technique ✅This is the precautions of
lumbar puncture to avoid the introduction of an infection or the damaging of neural
tissue
Three sterile tubes ✅These are the containers used for collecting CSF
Tube 1 CSF ✅This is the collection container in CSF used for chemical and serologica
because these tests are least affected by blood or bacteria introduced as a result of the
tap procedure
Tube 2 CSF ✅This is the collection container in CSF is usually designated for the
microbiology laboratory
Tube 3 CSF ✅This is the collection container in CSF is used for the cell count,
because it is the least likely to contain cells introduced by the spinal tap procedure
Tube 4 CSF ✅This is the collection container in CSF may be drawn for the
microbiology laboratory to provide better exclusion of skin contamination or for
additional serologic tests
May be used for additional chemical or serologic tests ✅This is the clinical efficiency
procedure for supernatant fluid in CSF
Not be discarded and frozen until further use ✅This is the clinical efficiency procedure
for excess fluid in CSF
Refrigerated ✅This is the maintenance of CSF hematological tubes
Remain at room temperature ✅This is the maintenance of CSF Microbiology tubes
Frozen ✅This is the maintenance of CSF chemistry and serologic tubes
Cloudy, turbid, milky ✅This is the CSF appearance that can be the result of an
increased protein or lipid concentration, but it may also be indicative of infection
Xanthochromia ✅This is a term used to describe CSF supernatant that is pink, orange,
or yellow
RBC degradation products ✅This is the most common reason for the appearance of
CSF as xanthochromia
Grossly bloody CSF ✅This can be an indication of intracranial hemorrhage, but it may
also be due to the puncture of a blood vessel
During the spinal tap procedure
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