Multiple choice general knowledge

The 'stones' formed in human kidney consist mostly of :

  1. Calcium oxalate

  2. sodium acetate

  3. magnesium sulphate

  4. calcium
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A Correct answer
Explanation

Approximately 70-80% of all kidney stones are composed of calcium oxalate. This is the most common type of renal calculus. Pure calcium stones are less common than calcium oxalate stones. Sodium acetate and magnesium sulfate are not major components of kidney stones - these are chemical compounds unrelated to stone formation.

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