What Is the Maximum Length of Time a Urine Specimen

question 3

Multiple Choice

What is the maximum length of time a urine specimen can remain unpreserved at room temperature before testing?

• A) 30 minutes
• B) 2 hours
• C) 3 hours
• D) 6 hours

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Definitions:

Hydrochloric Acid

A highly corrosive, strong mineral acid with many industrial uses, but within the stomach, it aids in digestion and kills bacteria.

Biuret Reagent

A chemical solution used to test for the presence of proteins, by turning purple in their presence.

Protein Digestion

The process by which proteins are broken down into simpler forms, like amino acids, through enzymatic action in the digestive system.

Optimal Temperature

The temperature at which a particular enzymatic or physiological process occurs at its fastest rate.