CSF

Question 1

function of csf

Answer 1

protective fluid, cushioning and lubicating tha brain and spinal column

Question 2

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

Answer 2

meninges

Question 3

the outermost membrane, hard mother in Latin

Answer 3

dura mater

Question 4

the membrane in the middle, spiderweb-like

Answer 4

arachnoid

Question 5

the innermost membrane, gentle mother

Answer 5

pia mater

Question 6

this membrane contains sinuses

Answer 6

dura mater

Question 7

this membrane adheres to the surface of neural tissue

Answer 7

pia mater

Question 8

where are dural sinuses located?

Answer 8

arachnoid villi

Question 9

the epithelial cells that line the choroid plexus

Answer 9

choroidal cells

Question 10

the structures lined by ephitelial cells are called

Answer 10

ependymal cells

Question 11

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

Answer 11

cerebral ventricle

Question 12

this produces approximately 70% of the CSF

Answer 12

choroid plexuses

Question 13

produces approximately 30% of the CSF

Answer 13

ependymal lining cells of the ventricles and the subarachnoid space

Question 14

csf is composed of what

Answer 14

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

Question 15

volume of csf for adults

Answer 15

90-150 ml

Question 16

volume of csf for infants

Answer 16

10-60 ml

Question 17

rate of production of csf

Answer 17

500 ml/day

Question 18

csf is collected for adults between

Answer 18

l3 and l4

Question 19

csf is collected in infants betwen

Answer 19

l4 and l5

Question 20

tube 1 for csf

Answer 20

chemistry and serology

Question 21

tube 2 for csf

Answer 21

microbiology

Question 22

tube 3 for csf

Answer 22

hematology (cell count)

Question 23

tube 4 for csf

Answer 23

additonal

Question 24

how to preserve tube 1 for csf

Answer 24

freeze

Question 25

how to preserve tube 2 for csf

Answer 25

room temp

Question 26

how to preserve csf from tube 3

Answer 26

ref temp

Question 27

what is hemorrhage

Answer 27

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

Question 28

what is traumatic tap

Answer 28

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

Question 29

normal color of csf

Answer 29

colorless

Question 30

what does redish color of csf indicates

Answer 30

presence of rbc, hemorrhage

Question 31

what does pinkish color of csf indicates

Answer 31

cells hemoglobin, traumatic tap

Question 32

what does xanthochromic or yellowish csf means

Answer 32

bc of hemoglobin, bilirubin, carotene and melanin

Question 33

what does carotene in csf indicates

Answer 33

increased serum levels

Question 34

what does bilirubin in csf indicates

Answer 34

rbc degradation

Question 35

what does hemoglobin in csf indicates

Answer 35

old hemorrhage

Question 36

what does melanin in csf indicates

Answer 36

menengeal melanosarcoma

Question 37

normal turbity of csf

Answer 37

clear

Question 38

what does turbid csf means

Answer 38

meningitis

Question 39

what does pellicle means in the turbidity of csf

Answer 39

clotting factors, tubercular meningitis