Cell Volume Regulation Flashcards Preview

M2M Unit III > Cell Volume Regulation > Flashcards

Flashcards in Cell Volume Regulation Deck (21):
1

Capillaries are impermeable to _____.

protein

2

What is deltaC in the Van't Hoff equation?

difference in solute concentration across the membrane

3

NaCl crosses capillaries more easily than ____ does.

glucose

4

What is R in the Van't Hoff equation?

the gas constant

5

Plasma contains more _____ than interstitial fluid does.

proteins

5

THO

water and tritiated water

7

tonicity

a measure of the osmotic pressure gradient of 2 solutions separated by a semipermeable membrane

8

What is the main protein in the blood and what it its concentration?

mostly albumin; 1 mM

9

What is sigma in the Van't Hoff equation?

the reflection coefficient

10

What is the volume of the ECF?

14L exchangeable, 5L inexchangeable

11

What is T in the Van't Hoff equation?

temp

11

What is the total body fluid volume?

42 liters

12

____ crosses capillaries more easily than glucose does.

NaCl

13

the reflection coefficient

a measure of how well the membrane 'reflects' the solute

14

What is one case where the osmotic gradient is not balanced osmotically?

proteins in the circulating blood

15

______ are impermeable to protein.

Capillaries

17

What is the range of values for the reflection coefficient?

range from 0 (THO) to 1 (nonpermeating solute)

18

_____ contains more protein than ______ does.

interstitial fluid

19

Van't Hoff equation

pi = sigma RT delta C

20

pi = sigma RT delta C

Van't Hoff equation

21

What is the volume of the ICF?

23L