Acid base balance Flashcards
1
Q
What is the equation for pH?
A
log 1/[H+]
2
Q
What leads to depression of the CNS?
A
Acidosis
3
Q
From what three sources is H+ continually added to the body?
A
Carbonic acid formation
Inorganic acids produced during breakdown of nutrients
Organic acids resulting from metabolism
4
Q
What reaction does carbonic anydrase catalyse?
A
The formation of H2CO3 (carbonic acid) from carbon dioxide and water
5
Q
What two things can the kidney do with regard to bicarbonate?
A
Controls reabsorption
Adds new bicarbonate to the blood
6
Q
Where is HCO3 primarily reabsorped?
A
The proximal tubule
7
Q
If the HCO3 in the tubular fluid is low then what does secreted H+ combine with?
A
Phosphate
