Respiratory System: Gas exchange and Gas Transport Flashcards
(7 cards)
1
Q
Describe Diffusion:
A
process of randomly moving molecules making their way back and forth across the respiratory membrane
2
Q
What determines the movement of gases?
A
pressure gradient
3
Q
Diffusion requires:
A
Molecular motion
4
Q
Pressure has to do with:
A
molecular impact on surface
5
Q
Partial pressure:
A
- multiple gases in air
- each gas
6
Q
Partial pressure of a gas in fluid determined by:
A
- concentration
- solubility coefficient of the gas
7
Q
Partial Pressure =
A
concentration of dissolved gas/ solubility coefficient