Urine urobilinogen is absent in_______________?
Correct answer: C. Obstructive jaundice
- A. Hemolytic jaundice
- B. Viral hepatitis
- C. Obstructive jaundice
- D. All of the above
Explanation
Obstruction prevents bile pigments from reaching the intestine, so intestinal bacteria cannot form urobilinogen and urinary urobilinogen becomes absent. In hepatitis and hemolysis, urobilinogen is usually increased rather than absent.
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