LEC - BICARBONATE, other signifoicant info (iron, ferritin, raas)) Flashcards
1
Q
second most abundant anion in the ECF
A
bicarbonate
2
Q
accounts for 90% of the total CO2 at physiologic pH
A
bicarbonate
3
Q
bicarbonate is composed of
A
undissociated sodium bicarbonate, carbonate, and carbamate
4
Q
major component of the buffering system in the blood
A
bicarbonate
5
Q
the buffering capacity of blood is maintained by a reversible exchange process between bicarbonate and __
A
chloride
6
Q
methods of bicarbonate
A
- Ion-selective electrode (using the pCO, electrode)
- Enzymatic (Phosphoenolpyruvate carboxylase and dehydrogenase using alkaline reagent)
7
Q
sample for bicarbonate determination
A
blood, anaerobically collected
8
Q
if the sample for bicarbonate determination is left uncapped before analysis, how much decrease of bicarbonate will be
A
6 mmol/l/hr
9
Q
the common metallic element important in the synthesis of hemoglobin
A
iron
10
Q
A
