CSF

Question 1

function of the CSF

Answer 1

provides nutrients to the tissue, remove metabolic waste, provides mechanical barrier to cushion the brain and spinal cord agains trauma

Question 2

The brain and spinal cord are lined in the?

Answer 2

meninges

Question 3

What are the three layers of meninges

Answer 3

dura mater
arachnoid
pia mater

Question 4

latin word for dura mater

Answer 4

hard mother

Question 5

latin word for arachnoid

Answer 5

spiderweb-like

Question 6

latin word for the pia mater

Answer 6

gentle mother

Question 7

the outer layer that lines the skull and vertebral canal

Answer 7

dura mater

Question 8

Thin membrane that lines in the surface of the brain and the spinal cord

Answer 8

pia matter

Question 9

Filamentous inner membrane

Answer 9

arachnoid

Question 10

CSF is produce by

Answer 10

choroid plexuses

Question 11

how many mL of fluid does the adult does the adult produce every hour?

Answer 11

20 mL

Question 12

normal volume of adult

Answer 12

90-120 mL

Question 13

normal volume of neonates

Answer 13

10-60 mL

Question 14

where does the fluid flow that is located between the arachnoid and the pia matter

Answer 14

subarachnoid spaces

Question 15

the circulation fluid is reabsorbed back into the blood capillaries in the

Answer 15

arachnoid granulation

Question 16

the capillary network that form the CSF from plasma by mechanism of selective filtration by hydrostatic pressure and active transport secretion

Answer 16

choroid plexuses

Question 17

the endothelial cells have a tight fitting juncture the prevent the passage molecules. This tight fitting juncture is called?

Answer 17

blood-brain barrier

Question 18

why is the blood brain barrier important

Answer 18

to protect the brain from the chemicals and other substances that circulating the brain

Question 19

the disruption of the blood-brain barrier by diseases, such as meningitis and multiple sclerosis allows the ,,_ to enter the CSF

Answer 19

leukocyte, protein, and other chemicals

Question 20

the disruption of the blood-brain barrier by diseases, such as

Answer 20

meningitis and multiple sclerosis

Question 21

CSF is collected routinely by

Answer 21

Lumbar Puncture

Question 22

for chemistry and serology test

Answer 22

Tube 1

Question 23

For microbiology test

Answer 23

tube 2

Question 24

for hematology and cell count

Answer 24

tube 3

Question 25

tubes that are frozen

Answer 25

tube 1

Question 26

tubes that are refrigerated

Answer 26

tube

Question 27

tubes that are at a room tempt

Answer 27

tube 2

Question 28

excess fluid should be

Answer 28

frozen and not discarded

Question 29

what is the specimen appearance if there are increase concentration of protein and lipids

Answer 29

cloudy milky turbid

Question 30

what is the specimen appearance if there are presence of WBC

Answer 30

cloudiness

Question 31

Termed used to describe CSF supernatant that is pink, orange, and yellow

Answer 31

xanthochromia

Question 32

Very slight amount of oxyhemoglobin

Answer 32

pink

Question 33

heavy hemolysis

Answer 33

orange

Question 34

Conversion of oxyhemoglobin to unconjugated bilirubin

Answer 34

yellow

Question 35

what is the cause of xanthochromia that is due to the immature liver function that is seen in the infants particularly premature infants

Answer 35

bilirubin

Question 36

is an indicator of intracranial hemorrhage, but also it maybe due to the puncture of blood vessels during spinal tap procedure.

Answer 36

grossly bloody CSF

Question 37

Normal appearance of the CSF

Answer 37

crystal-clear

Question 38

what is the cause of the oily appearance of CSF

Answer 38

radiographic contrast media

Question 39

fluid from traumatic tap can cause clots due to the?

Answer 39

plasma fibrinogen

Question 40

associated with tubercular meningitis and can be seen after overnight refrigeration of the fluid

Answer 40

web-like pellicle

Question 41

how many hours does the RBC's need to remain in the fluid before noticeable hemolysis

Answer 41

2 hours

Question 42

what is dilution fluid of CSF

Answer 42

saline

Question 43

use to lyse the RBC

Answer 43

3% glacial acetic acid

Question 44

what is the stain that is add to the diluting fluid to stain the WBC

Answer 44

methylene blue

Question 45

the speed of the cytocentrifuge should be checked monthly with

Answer 45

tachometer

Question 46

the timing should be checked by

Answer 46

stopwatch