Which of the following statements about refrigerating urine specimens is true?
A) It causes changes in the physical, chemical, and microscopic makeup of the urine, causing the test to be invalid.
B) It may affect the sediment and specific gravity.
C) It should never be used as a method of storing or preserving urine.
D) It is acceptable only if the urine must be kept for 2 or more days.
E) It causes bacterial growth to accelerate.

Question

Quizplus · Accepted Answer

Refrigerating urine specimens can indeed affect the sediment and specific gravity of the sample. Cooling can cause some substances to precipitate out of solution, potentially altering the microscopic appearance of the sediment. It can also affect the measurement of specific gravity due to the temperature dependence of this parameter.

Which of the Following Statements About Refrigerating Urine Specimens Is