ILE U4 D2

Question 1

Body is _ extracellular fluid, _ intracellular fluid

Answer 1

2/3 intracellular, 1/3 extracellular

Question 2

Of the extracellular fluid, how much is interstitial? Intravascular?

Answer 2

25% intravascular

75% interstitial

Question 3

Water is held in extracellular space by

Answer 3

Na

Question 4

Water is held in intracellular space by

Answer 4

K

Question 5

Water is held in intravascular space by

Answer 5

plasma proteins

Question 6

Serum osmolality

Answer 6

The number of osmoles (particles) acting to hold fluid within the ECF

Question 7

S(osm) =

Answer 7

(2 x Na) + (glucose/18) + (BUN/2.8)

Question 8

Normal osmolality

Answer 8

280-295 mOsm/L

Question 9

Starling forces that exist in the vasculature

Answer 9

Oncotic and hydrostatic

Question 10

Oncotic pressures

Answer 10

Hold fluid in IV space