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.
B. It may affect the sediment and specific gravity.
Refrigeration can cause changes in the urine that may affect the physical characteristics of sediment and specific gravity.
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