A urine pH of 4.8 is most compatible with which type of kidney stone?

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Multiple Choice

A urine pH of 4.8 is most compatible with which type of kidney stone?

Explanation:
Acidic urine decreases the solubility of uric acid, so uric acid stones are most likely to form when urine pH is low, such as 4.8. In contrast, struvite stones arise in alkaline urine due to infection with urease-producing bacteria, not in acidic conditions. Calcium oxalate stones form across a wide range of pH and aren’t driven primarily by acidity. Cystine stones come from a genetic defect and, while they can occur in acidic urine, the classic association with very low pH is most characteristic of uric acid stones.

Acidic urine decreases the solubility of uric acid, so uric acid stones are most likely to form when urine pH is low, such as 4.8. In contrast, struvite stones arise in alkaline urine due to infection with urease-producing bacteria, not in acidic conditions. Calcium oxalate stones form across a wide range of pH and aren’t driven primarily by acidity. Cystine stones come from a genetic defect and, while they can occur in acidic urine, the classic association with very low pH is most characteristic of uric acid stones.

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