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AUBF > CSF > Flashcards

CSF Flashcards

1
Q

function of csf

A

protective fluid, cushioning and lubicating tha brain and spinal column

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2
Q

the brain and spinal cord are enclosed in three layers of the membrane, the _____________

A

meninges

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3
Q

the outermost membrane, hard mother in Latin

A

dura mater

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4
Q

the membrane in the middle, spiderweb-like

A

arachnoid

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5
Q

the innermost membrane, gentle mother

A

pia mater

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6
Q

this membrane contains sinuses

A

dura mater

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7
Q

this membrane adheres to the surface of neural tissue

A

pia mater

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8
Q

where are dural sinuses located?

A

arachnoid villi

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9
Q

the epithelial cells that line the choroid plexus

A

choroidal cells

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10
Q

the structures lined by ephitelial cells are called

A

ependymal cells

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11
Q

ependymal cells include the neural canal and the _________ of the spinal cord

A

cerebral ventricle

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12
Q

this produces approximately 70% of the CSF

A

choroid plexuses

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13
Q

produces approximately 30% of the CSF

A

ependymal lining cells of the ventricles and the subarachnoid space

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14
Q

csf is composed of what

A

water and water-soluble substances (c02, creatinine, glucose and urea)

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15
Q

volume of csf for adults

A

90-150 ml

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16
Q

volume of csf for infants

A

10-60 ml

17
Q

rate of production of csf

A

500 ml/day

18
Q

csf is collected for adults between

A

l3 and l4

19
Q

csf is collected in infants betwen

A

l4 and l5

20
Q

tube 1 for csf

A

chemistry and serology

21
Q

tube 2 for csf

A

microbiology

22
Q

tube 3 for csf

A

hematology (cell count)

23
Q

tube 4 for csf

A

additonal

24
Q

how to preserve tube 1 for csf

A

freeze

25
Q

how to preserve tube 2 for csf

A

room temp

26
Q

how to preserve csf from tube 3

A

ref temp

27
Q

what is hemorrhage

A

if all tubes colleced show the same degree of blood, no clotting

28
Q

what is traumatic tap

A

significant difference in the amount of blood from the 1st and last tube, clotting of CSF

29
Q

normal color of csf

A

colorless

30
Q

what does redish color of csf indicates

A

presence of rbc, hemorrhage

31
Q

what does pinkish color of csf indicates

A

cells hemoglobin, traumatic tap

32
Q

what does xanthochromic or yellowish csf means

A

bc of hemoglobin, bilirubin, carotene and melanin

33
Q

what does carotene in csf indicates

A

increased serum levels

34
Q

what does bilirubin in csf indicates

A

rbc degradation

35
Q

what does hemoglobin in csf indicates

A

old hemorrhage

36
Q

what does melanin in csf indicates

A

menengeal melanosarcoma

37
Q

normal turbity of csf

A

clear

38
Q

what does turbid csf means

A

meningitis

39
Q

what does pellicle means in the turbidity of csf

A

clotting factors, tubercular meningitis

AUBF (10 decks)

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