acidiosis, alkalosis and urinary buffers Flashcards
1
Q
what is the definition of an acid?
A
a proton donor
2
Q
what is the definition of a base?
A
a proton acceptor
3
Q
what is the definition of a buffer?
A
a solution which resists changes in pH when small quantities of strong acids or base is added
4
Q
what is the henderson-hasselbach equation? what is it for?
A
pH = 6.1 + log([HCO3-]/[CO2])
works out the pH of the blood
normal range = 7.35-7.45
5
Q
What are the two main urinary buffers when HCO3- isn’t available to mop up acid secreted by the nephron?
A
amonium and phosphate