Strasinger AUBF - CSF Ultimate Reviewer
UPDATED ACTUAL Questions and
CORRECT Answers
CSF - CORRECT ANSWER - A major fluid of the body, provides a physiologic system to
supply nutrients to the nervous tissues, remove metabolic wastes, and produce a mechanical
barrier to cushion the brain and spinal cord against trauma
Meninges - CORRECT ANSWER - Lines the brain and the spinal cord
Dura mater - CORRECT ANSWER - Outer layer meninges that lines the skull and
vertebral canal
Hard mother - CORRECT ANSWER - Translates to dura mater
Arachnoid - CORRECT ANSWER - Filamentous inner membrane (meninges)
Spiderweb-like - CORRECT ANSWER - Translates to arachnoid
Pia mater - CORRECT ANSWER - Thin membrane lining the surfaces of the brain and
spinal cord (meninges)
Gentle mother - CORRECT ANSWER - Translates to pia mater
Choroid plexuses - CORRECT ANSWER - CSF is produced in the _____ of the two
lumbar ventricles and the third and fourth ventricles
20mL/hr - CORRECT ANSWER - Adults produce this amount of CSF
,Subarachnoid space - CORRECT ANSWER - CSF flows through the ____ located
between the arachnoid and pia mater
90- 150 mL - CORRECT ANSWER - Maintaining volume of CSF in adults
10- 60 mL - CORRECT ANSWER - Maintaining volume of CSF in neonates
Cells of the arachnoid granulations - CORRECT ANSWER - Acts as a one-way valves
that respond to pressure within the central nervous system and prevent reflux of the fluid
Choroid plexuses - CORRECT ANSWER - Capillary networks that form the CSF from
plasma by mechanisms of selective filtration under hydrostatic pressure and active transport
secretion
Blood-brain barrier - CORRECT ANSWER - Tight-fitting structure of the endothelial
cells in the choroid plexuses
CSF - CORRECT ANSWER - Routinely collected by lumbar puncture between the third,
fourth (adult) or fifth (pediatric) lumbar vertebra
Slowly - CORRECT ANSWER - Elevated pressure requires CSF to be withdrawn ___
3 - CORRECT ANSWER - CSF is collected in ___ sterile tubes
Chemical, serologic tests - CORRECT ANSWER - Tube 1 is for ____ which is least
affected by blood or bacteria introduced as a result of the tap procedure
Microbiology - CORRECT ANSWER - Tube 2 is for ____
, Cell count, hematology - CORRECT ANSWER - Tube 3 is for ___ which is least likely to
contain cells introduced by the spinal tap procedure
Skin contamination - CORRECT ANSWER - Fourth tube may be drawn for microbiology
laboratory to better exclude _____ or for additional serologic tests
Refrigeration - CORRECT ANSWER - Hematology tubes are maintained by _____
Room temp - CORRECT ANSWER - Microbiology tubes remain at _____
Frozen - CORRECT ANSWER - Chemistry and serology tubes are ____
Crystal- clear - CORRECT ANSWER - Normal CSF appearance
Cloudy, turbid, milky CSF - CORRECT ANSWER - Result of an increased protein or
lipid concentration; may also be indicative of infection, cloudiness caused by presence of WBCs
Xanthochromia - CORRECT ANSWER - Used to describe CSF supernatant that is pink,
orange or yellow
Presence of RBC degradation products - CORRECT ANSWER - Most common cause of
xanthochromia
Xanthochromia - CORRECT ANSWER - Caused by elevated serum bilirubin, presence of
the pigment carotene, increased protein concentrations and melanoma pigment
Oily CSF - CORRECT ANSWER - Due to radiographic contrast media
RBCs, hemorrhage, traumatic tap - CORRECT ANSWER - Causes of Bloody CSF
UPDATED ACTUAL Questions and
CORRECT Answers
CSF - CORRECT ANSWER - A major fluid of the body, provides a physiologic system to
supply nutrients to the nervous tissues, remove metabolic wastes, and produce a mechanical
barrier to cushion the brain and spinal cord against trauma
Meninges - CORRECT ANSWER - Lines the brain and the spinal cord
Dura mater - CORRECT ANSWER - Outer layer meninges that lines the skull and
vertebral canal
Hard mother - CORRECT ANSWER - Translates to dura mater
Arachnoid - CORRECT ANSWER - Filamentous inner membrane (meninges)
Spiderweb-like - CORRECT ANSWER - Translates to arachnoid
Pia mater - CORRECT ANSWER - Thin membrane lining the surfaces of the brain and
spinal cord (meninges)
Gentle mother - CORRECT ANSWER - Translates to pia mater
Choroid plexuses - CORRECT ANSWER - CSF is produced in the _____ of the two
lumbar ventricles and the third and fourth ventricles
20mL/hr - CORRECT ANSWER - Adults produce this amount of CSF
,Subarachnoid space - CORRECT ANSWER - CSF flows through the ____ located
between the arachnoid and pia mater
90- 150 mL - CORRECT ANSWER - Maintaining volume of CSF in adults
10- 60 mL - CORRECT ANSWER - Maintaining volume of CSF in neonates
Cells of the arachnoid granulations - CORRECT ANSWER - Acts as a one-way valves
that respond to pressure within the central nervous system and prevent reflux of the fluid
Choroid plexuses - CORRECT ANSWER - Capillary networks that form the CSF from
plasma by mechanisms of selective filtration under hydrostatic pressure and active transport
secretion
Blood-brain barrier - CORRECT ANSWER - Tight-fitting structure of the endothelial
cells in the choroid plexuses
CSF - CORRECT ANSWER - Routinely collected by lumbar puncture between the third,
fourth (adult) or fifth (pediatric) lumbar vertebra
Slowly - CORRECT ANSWER - Elevated pressure requires CSF to be withdrawn ___
3 - CORRECT ANSWER - CSF is collected in ___ sterile tubes
Chemical, serologic tests - CORRECT ANSWER - Tube 1 is for ____ which is least
affected by blood or bacteria introduced as a result of the tap procedure
Microbiology - CORRECT ANSWER - Tube 2 is for ____
, Cell count, hematology - CORRECT ANSWER - Tube 3 is for ___ which is least likely to
contain cells introduced by the spinal tap procedure
Skin contamination - CORRECT ANSWER - Fourth tube may be drawn for microbiology
laboratory to better exclude _____ or for additional serologic tests
Refrigeration - CORRECT ANSWER - Hematology tubes are maintained by _____
Room temp - CORRECT ANSWER - Microbiology tubes remain at _____
Frozen - CORRECT ANSWER - Chemistry and serology tubes are ____
Crystal- clear - CORRECT ANSWER - Normal CSF appearance
Cloudy, turbid, milky CSF - CORRECT ANSWER - Result of an increased protein or
lipid concentration; may also be indicative of infection, cloudiness caused by presence of WBCs
Xanthochromia - CORRECT ANSWER - Used to describe CSF supernatant that is pink,
orange or yellow
Presence of RBC degradation products - CORRECT ANSWER - Most common cause of
xanthochromia
Xanthochromia - CORRECT ANSWER - Caused by elevated serum bilirubin, presence of
the pigment carotene, increased protein concentrations and melanoma pigment
Oily CSF - CORRECT ANSWER - Due to radiographic contrast media
RBCs, hemorrhage, traumatic tap - CORRECT ANSWER - Causes of Bloody CSF
