KROK 1 Stomatology 2016 – Question 83 · KROK (Dentistry)

For several days a 55-year-old woman has been suffering from pain attacks in the right upper quadrant after eating fatty foods. Visually, there is yellowness of sclera and skin. The patient has acholic stool, beer-colored urine. What substance present in the patient’s urine causes its dark color?

  1. A. Ketone bodies
  2. B. Bilirubin glucuronides
  3. C. Unconjugated bilirubin
  4. D. Stercobilin
  5. E. Conjugated bilirubin
Hint

Biliary colic, jaundice and acholic stool point to blocked bile outflow; think which bilirubin fraction is water-soluble and can be filtered by the kidneys.

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