Which stone type occurs in acidic urine and is linked to high purine intake?

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Multiple Choice

Which stone type occurs in acidic urine and is linked to high purine intake?

Explanation:
Uric acid stones form when urine is acidic because uric acid becomes poorly soluble at low pH and then precipitates as crystals. When purines from the diet are consumed in high amounts, more uric acid is produced during metabolism, increasing the amount available to crystallize in acidic urine. That combination makes uric acid stones the type associated with acidic urine and high purine intake. In contrast, calcium oxalate stones are not specifically driven by purine load or urine acidity, struvite stones arise from infection in alkaline urine, and cystine stones come from a genetic disorder.

Uric acid stones form when urine is acidic because uric acid becomes poorly soluble at low pH and then precipitates as crystals. When purines from the diet are consumed in high amounts, more uric acid is produced during metabolism, increasing the amount available to crystallize in acidic urine. That combination makes uric acid stones the type associated with acidic urine and high purine intake. In contrast, calcium oxalate stones are not specifically driven by purine load or urine acidity, struvite stones arise from infection in alkaline urine, and cystine stones come from a genetic disorder.

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