What Additive Can Maintain Urine Sample Integrity for Up to 48

Question

What additive can maintain urine sample integrity for up to 48 hours at room temperature?
A) Sodium citrate
B) Calcium citrate
C) Sodium borate
D) Ethylenediamine tetraacetic acid (EDTA)

Accepted Answer

Sodium borate is used as a preservative in urine samples, allowing them to maintain integrity for up to 48 hours at room temperature. This helps in preventing bacterial growth and chemical changes.