All of the following words are used to describe bilirubin in the blood except:

Question

Quizplus · Accepted Answer

Options A, C, and D are all used to describe the different forms of bilirubin in the blood. Conjugated bilirubin is water-soluble and excreted in the bile, while unconjugated (indirect) bilirubin is fat-soluble and requires binding to albumin for transport. Indirect bilirubin is converted to conjugated bilirubin in the liver by attaching glucuronic acid to it, which makes it water-soluble. 
However, guaiac is not a term used to describe bilirubin in the blood. Guaiac is a chemical substance used in medical testing to detect the presence of blood in a stool sample.

All of the Following Words Are Used to Describe Bilirubin