7. Acid/Base, ABG Flashcards
1
Q
3 factors affecting % saturation?
A
- Hgb
- Amount of O2 available to Hgb in lungs
- Affinity of Hgb for O2
2
Q
Most powerful but slowest buffer system
A
Renal system
3
Q
Most important buffer of INTRACELLULAR compartment
A
Phosphate buffer system
4
Q
Most effective buffer in urine
A
Phosphate buffer system
5
Q
Most important buffer of EXTRACELLULAR system
A
Carbonic acid/bicarbonate buffer system
6
Q
When is a blood buffer most effective in minimizing change in pH?
A
When pKa = pH of blood
