Exam questionKROK 1Medicine ยท 2015
A 65-year-old man suffering from gout complains of pain in his kidneys. Ultrasonic examination revealed kidney stones. A certain substance in increased concentration can cause kidney stones formation. Name this substance:
Answer options
- Cholesterol
- Bilirubin
- Urea
- Uric acid
- Cystine
Correct answer
Uric acid
Explanation
High quantities of uric acid cause it to crystallize, and accumulate to form stones. It crystallizes easily due to very low solubility.
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