Acid-base Balance Flashcards
1
Q
How to calculate pH?
A
pH = -log[H+]
2
Q
How is CO2 metabolised to acid in erythrocytes?
A
CO2 + water = bicarb + H+
3
Q
Name 3 extracellular buffers
A
- bicarb
- phosphate
- proteins
4
Q
How does the kidney regenerate bicarb?
A
DT cells convert IC water & plasma CO2 to bicarb that is reabsorbed
5
Q
What enzyme is involved in the conversion of CO2 to bicarb?
A
CA: Carbonic anhydrase (dehydratase vv)
6
Q
What is the Henderson-Hasselbach eqn?
A
HCO3
pH = ———
pCO2