Question

Struvite stones are derived from ______________.

• A. urea
• B. creatinine
• C. guanine
• D. uric acid

Hint:

Struvite stones are commonly associated with urinary tract infections.

Answer 1

The Correct Option is A

Step 1: Understanding struvite stones.
Struvite stones are also known as infection stones and are commonly found in the urinary tract.
Step 2: Chemical composition.
These stones are composed mainly of magnesium ammonium phosphate, which forms due to breakdown of urea by bacteria.
Step 3: Source of ammonia.
Urea is broken down into ammonia by urease-producing bacteria, leading to struvite stone formation.
Step 4: Conclusion.
Therefore, struvite stones are derived from urea.