10-10-2011, 08:09 AM
A 40-year-old woman presents to the emergency department with severe abdominal pain localized to the right
upper quadrant. A urine sample is taken for rapid dipstick reagent strip analysis. A positive result for which of the
following substances would most strongly suggest gallstone disease as a possible cause of her abdominal pain?
A. Bilirubin
B. Glucose
C. Nitrite
D. Protein
E. Urobilinogen