KROK 1 2015 – Question 132 · KROK (Medicine) · Biological Chemistry

A therapeutist has an appointment with a 40-year-old patient complaining of recurrent pain attacks in his hallux joints and their swelling. Urine analysis revealed its marked acidity and pink colour. What substances can cause such changes in the urine?

  1. A. Ammonium salts
  2. B. Magnesium sulfate
  3. C. Chlorides
  4. D. Calcium phosphate
  5. E. Uric acid salt
Hint

Identify the metabolic disorder behind the recurrent attacks in the big-toe joint, and which poorly soluble substance would precipitate in acidic urine.

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