Detection of Urinary Sugars and Reducing Substances

Ungraded Practice Question

A negative sugar result on a reagent stick and a positive Clinitest® result on the same specimen indicates:

Please select the single best answer

a reducing substance other than glucose is present.
less than 0.25 gm/dl but at least 0.1 gm/dl of glucose is present.
the reagent or specimen is contaminated by an oxidizing agent
a "pass-through" phenomenon has occurred.

Review for ASCP Boards or test your clinical laboratory science knowledge with the FREE LabCE.com Quiz Game.

Confirmatory and Secondary Urinalysis Screening Tests course details »

Learn more about medical technologist continuing education for MTs, MLTs, and other lab personnel »

Get information on laboratory compliance training for clinical and medical laboratories »