Flashcards in PSL301: Cardio 8 Deck (44)
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1
Pc
capillary hydrostatic pressure
2
Pif
interstitial fluid pressure
3
(pi)c
plasma colloid osmotic pressure
4
(pi)if
Interstitial fluid colloid pressure
5
Define: Pc
move fluid out
due to fluid pressure in blood
6
Define: Pif
move fluid in
Opposes outward movement of Pc
due to fluid pressure in ISF
7
Define: (pi)c
Move fluid in
if proteins in blood > proteins in ISF
8
Define: (pi)if
Move fluid out
if proteins in ISF > proteins in blood
9
Formula: net fluid pressure (at capillaries)
Fluid out - fluid in
[Pc + (pi)if] - [Pif + (pi)c]
10
Value: Pif
why?
- 3 mmHg
Lymphatic system remove fluid
11
Value: Pc
45 to 10 mmHg
12
Value: (pi)if
why?
8 mmHg
Lympathic system remove proteins
13
Value: (pi)c
28 mmHg
14
Value: plasma protein concentration
7.3 mg/dl
15
What makes up the plasma proteins?
75% albumin
25% globulin
Very little fibrinogen
16
Value: interstitial protein concentration
3 mg/dl
17
If net fluid pressure is positive...
More fluid going out of vessel
18
If net fluid pressure is negative...
More fluid going into vessel
19
Due to the gradient from Pc, __L of net flow outward per day
3L
20
Forces that push fluid out of vessels
1. Hydrostatic pressure
2. Pressure from LACK OF fluid in ISF
3. Interstitial colloid osmotic pressure
21
Forces that push fluid into vessels
1. plasma colloid osmotic pressure
22
Value: mean hydrostatic pressure
17.3 mmHg
23
Value: filtration coefficient
10 mL/min/mmHg
24
Formula: filtration rate
filtration coefficient * net filtration pressure
25
Value: net filtration rate
3 mL/min
that much fluid is deposited in ISF every minute
26
Functions of lympathic system
1. Return fluid & proteins to circulatory system
2. Pick up fat from intestines and deliver to circulatory system
3. Help trap pathogens
27
Lymphatic system help prevent...
edema
28
Lymph is derived from...
ISF
29
Where does the lymphatic system drain into?
subclavian veins
30
