Significance of pH Flashcards
1
Q
What is the pH of blood?
A
7.4
2
Q
What is the pH of urine?
A
6.0
3
Q
What is the pH of gastric fluid?
A
2.0
4
Q
What is the pH of saliva?
A
6.7
5
Q
What is the main skeletal buffer?
A
Phosphate
6
Q
What is the main saliva buffer?
A
Bicarbonate
7
Q
What are 2 other saliva buffers?
A
Bicarbonate
Phosphate
Ammonia
Histatins
8
Q
What is the simple calculation for pH?
A
ph = - log10 [H+]
9
Q
What do acids dissociate to release?
A
H+ ions
10
Q
What does acid produce in water?
A
H+ ions
11
Q
What do alkalines combine with in water?
A
H+ ions
12
Q
What are bases described as?
A
H+ acceptors
13
Q
What are acids described as?
A
H+ donors
14
Q
What is the chemical formula for bicarbonate?
A
HCO3-
15
Q
What does carbonic acid dissociate to produce?
A
Bicarbonate