Pk/formulas Flashcards
0
Q
Why is Pk important
A
It represents the pH at maximum buffering capacity
1
Q
What is Pk?
A
The pH value at which the solute is 50% dissociated
2
Q
What is the Pk of bicarbonate and carbonic acid?
A
6.1
3
Q
What is the solubility coefficient of CO2?
A
.03
4
Q
What is the pressure of CO2 in torr?
A
40 torr
5
Q
What formula is used to find a the ph of 7.4?
A
Ph= 6.1 + log (24mEq-L)/(40)(.03)
6
Q
Ficks law of diffusion
A
A = cross sectional area
D = diffusion coefficient
T = thickness of membrane
P1 - P2 = pressure gradient
7
Q
Alveolar epithelium
Interstitial space
Capillary endothelium
A
3 barriers to diffusion
8
Q
Ficks law of diffusion formula
A
Vgas= A • D(p1-p2)/T
