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Bilirubinuria Diagnosis and Characteristics

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Bilirubinuria Diagnosis and Characteristics

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Questions and Answers

What coloration of urine is characteristic of bilirubinuria?

Clear and colorless

Dark brown to black

Yellow-brown to greenish brown (correct)

Pale yellow to straw-colored

Which finding indicates a positive test for urinary bilirubin?

Consistently normal bilirubin levels in serum

Absence of bilirubin and presence of urobilinogen

Presence of bilirubin with absence of urobilinogen (correct)

Presence of urobilinogen with normal urine color

What condition is indicated by acholic stools?

Pancreatic insufficiency leading to malabsorption

Excessive consumption of bile acids

Intrahepatic or extrahepatic biliary obstruction (correct)

Increased hemolysis and bilirubin production

In the differential diagnosis of jaundice, bilirubinuria is specifically not found in which type?

<p>Hemolytic jaundice</p> Signup and view all the answers

What symptom accompanies jaundice in the presence of bilirubinuria?

<p>Pale-colored feces</p> Signup and view all the answers

Study Notes

Bilirubinuria: Characteristics and Diagnosis

Bilirubinuria causes urine to be yellow-brown to greenish-brown, potentially with a yellow foam.
Elevated serum conjugated bilirubin and jaundice are also present.
Pale-colored (acholic) stools result from the absence of bilirubin-derived pigments.
A positive urinary bilirubin test and a negative urobilinogen test indicate either intrahepatic or extrahepatic biliary obstruction.
This test helps differentiate jaundice types, as bilirubinuria is absent in hemolytic jaundice.

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Description

Explore the characteristics and diagnostic criteria of bilirubinuria. This quiz covers the implications of urine color, serum bilirubin levels, and stool appearance in understanding biliary obstruction. Test your knowledge and differentiate jaundice types effectively!