Question
Normally most of the titratable acidity of urine is attributable to acid buffered by
| A. |
Bicarbonate |
| B. |
Phosphate |
| C. |
Ammonia |
| D. |
Uric acid |
Show Answer
|
Correct Answer � B Explanation |
 |
Answer- B
- The amount of alkali required to titrate acidic urine to the pH of arterial plasma is called as titratable acidity.
- Normally most of this is due to protons buffered by phosphate.
- However in patients with chronic renal failure, protons buffered by creatinine & uric acid constitute about 20% of titratable acid