body fluids Flashcards

1
Q

what are the functions of CSF

A
  • physical support and protection
  • controlled supply and removal of nutrients
  • intracerebral and extracerebral transport
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is the purpose of spinning down a CSF sample before chemistry tests

A

to determine hemorrhage ot traumatic tap and presence of microclots

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what are the four main markers of CSF

A
  • glucose
  • protein
  • lactate
  • glutamine
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is the significance of decreased CSF glucose

A
  • indicates hypoglycorrhachia caused by; increased metabolism of CNS or other organisms, or a disorder of transport
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

how is leakage of protein CSF into ear or nose identified

A
  • presence of beta transferring - specific protein to CSF
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what proteins are of greatest interest in CSF

A

albumin and IgG
- albumin made by liver and must cross BBB
- IgG can be produced locally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

how is the IgG index significant

A
  • aides in determining demyelinating disease if no presence of albumin
  • if increase in IgG and albumin = meningitis
  • normal <0.73
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

define transudate

A

systemic disorders that disrupt filtration and reaboprtion or both of fluids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

define exudate

A

inflammatory process that results in damage on site

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is the collection of pleural fluid called

A

thoracentesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

where is pleural fluid found

A

lungs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

where is peritoneal fluid

A

abdomen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

where is paracardial fluid

A

heart

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what fluids make up the serous fluids

A

pleural, pericardial, peritoneal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is another name for peritoneal fluid

A

ascitic fluid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

method for differentiating cause of peritoneal fluid excess

A

serum-ascites albumin gradient (SAAG)
- diff >1.1 = transudate
- diff < 1.1 = exudate

17
Q

albumin index value for intact BBB

A

<9