acid base balance Flashcards
1
Q
acids release what type of ions
A
h+ ions
2
Q
bases accept what type of ions
A
h+ ions
3
Q
what does acidity refer to
A
the amount of unbound h+
4
Q
what form are volatile acids in inside the lung
A
gaseous form and can be removed by lungs
5
Q
what organs non volatile (fixed) acids removed by
A
kidneys
6
Q
how do strong acids dissociate
A
fully
7
Q
how do weak acids dissociate
A
partially
8
Q
what does changing the ph interfere with
A
enzymatic activity
9
Q
what is the optimum ph margin
A
7.35-7.45
10
Q
below what ph would be acidosis
A
7.35
11
Q
above what ph would be alkalosis
A
7.45
12
Q
how do buffer systems resist changes in ph
A
reversibly bind h+
13
Q
what are the two main intracellular buffers
A
phosphate and protein
14
Q
what is the main blood/extracellular buffer
A
hco3-
15
Q
what does pka of a buffer mean
A
the ph that it works best at
