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
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|
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
