The most probable answer to question 9 = b Comments about answers to question 9
a. Bilirubinuria of this magnitude is not normal.
Carl A. Osborne
b. Bilirubinuria of this magnitude is usually associated with hepatocellular or obstructive liver diseases.
c. Hemolytic jaundice may be associated with bilirubinuria, but also is typically associated with a positive occult blood test.
Caution: In-vitro studies indicate that positive occult blood tests associated with strong positive tests for bilirubin may
be caused by bilirubin, rather than RBC or hemoglobin.
d. Proteinuria of this magnitude is not indicative of significant alteration of glomerular capillary permeability.
e. Calcium oxalate crystalluria is not a reliable index of the occurrence of uroliths, although in patients with signs of urinary
tract disease it may warrant further evaluation.
Dr. Osborne, a diplomate of the American College of Veterinary Internal Medicine, is professor of medicine in the Department
of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Minnesota.