Certified Dietary Manager (CDM) Practice Exam

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What does glycosuria indicate?

  1. The presence of proteins in the urine

  2. Excess glucose in the urine

  3. High levels of ketones in the urine

  4. Insufficient hydration

The correct answer is: Excess glucose in the urine

Glycosuria indicates the presence of excess glucose in the urine, which occurs when blood glucose levels exceed the renal threshold for glucose reabsorption. Under normal physiological conditions, the kidneys reabsorb glucose from the urine back into the bloodstream. However, if blood glucose levels become too high—often due to conditions like diabetes mellitus—this reabsorption mechanism becomes overwhelmed, leading to the excretion of glucose in the urine. Thus, the presence of glucose in urine is often a clinical sign that helps in diagnosing and monitoring diabetes and other related conditions.

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